However, there are still several types of calls that necessitate the use of telephone operators.

However, the litter remained, augmented by several dozen lunchroom suppers.

However, to the extent that the monetary authorities, in their effort to ease credit in the next several months, conduct their open market operations in longer-term Government bonds, they will certainly act to accentuate any tendency for long-term interest rates to ease as a result of market forces.

However, several telescope manufacturers have recently developed telescope systems that are calibrated with the use of built-in GPS, decreasing the time it takes to set up a telescope at the start of an observing session.

However, the Vandals tried for several decades to force their Arian beliefs on their North African Nicene subjects, exiling Nicene clergy, dissolving monasteries, and exercising heavy pressure on non-conforming Christians.

However, Wolfram points out that at the time " Clovis got no farther than the Seine ; only after several more years did the Franks succeed in occupying the rest of the Gallo-Roman buffer state north of the Loire.

However, he was not, according to several sources, Dinis ' favourite son ; his half-brother, the illegitimate Afonso Sanches, enjoyed full royal favour.

However, several other biographers of Alexander dispute the claim, including the highly regarded secondary source, Plutarch.

However, there may be several such allophones, or the linguist may prefer greater precision than this allows.

However, it does contain several galaxies.

However, music spanning several octaves could be played by repeated calls to a machine-language tone generator.

However, the total population of the arctic fox must be in the order of several hundred thousand animals.

However, several bands continued and arrangers provided renowned arrangements.

However, there were several others:

However, as of 2011 adoption of the new terms has been slow and usage has been limited in the marketplace and in the press, with notable exceptions such as Linux operating systems, several textbooks and scientific research papers.

However, the Germans swam across again and some others got over by a bridge a little way up-stream, after which they assailed the barbarians from several sides at once and cut down many of them.

However, several spellings of his surname exist — Thatch, Thach, Thache, Thack, Tack, Thatche and Theach.

However the loss of Culloden, the relative sizes of Orient and Leander and the participation in the action by two of the French frigates and several smaller vessels, as well as the theoretical strength of the French position, leads most historians to the conclusion that the French were marginally more powerful.

However, there will be several terms of the form x < sup > n − 2 </ sup > y < sup > 2 </ sup >, one for each way of choosing exactly two binomials to contribute a y.

However, when a national trade imbalance expands beyond prudence ( generally thought to be several percent of GDP, for several years ), adjustments tend to occur.

However, it is likely that fewer fought in the actual battle on the Italian side: Harold Marcus notes that " several thousand " soldiers were needed in support roles and to guard the lines of communication to the rear.

However, the three leading Italian brigades had become separated during their overnight march and at dawn were spread across several miles of very difficult terrain.

However, there still were several unsolved problems, most notably the description of superconductivity and the Kondo effect.

However, several important phase transitions, such as the Mott insulator-superfluid transition, are known that do not follow the Ginzburg-Landau paradigm.

However this has been a controversial subject with Masonic authors saying that it " is impossible to either substantiate or disprove " involvement in the Klan.

However, for backward compatibility with early HTML authors and browsers that ignored this restriction, raw characters and numeric character references in the 80 – 9F range are interpreted by some browsers as representing the characters mapped to bytes 80 – 9F in the Windows-1252 encoding.

However, this practice did cause some controversy: Numerous politicians, journalists, and authors, such as Robertson Davies, decried the change at the time, and some continue to maintain that it was illegitimate and an unnecessary break with tradition.

However, the details of the story are at best uncertain ( see for discussion of the original Wolfgang Sartorius von Waltershausen source and the changes in other versions ); some authors, such as Joseph Rotman in his book A first course in Abstract Algebra, question whether it ever happened.

" However, Kent & M. and A. Hirmer suggest that Constantius " has suffered at the hands of unsympathetic authors, ecclesiastical and civil alike.

" However, some Complementarian authors caution that a wife's submission should never cause her to " follow her husband into sin.

However, other Christian authors assert that Christian narratives should not be categorized as " myth ".

However, since the teachers associated with perennialism are in a sense the authors of the Western masterpieces themselves, these teachers may be open to student criticism through the associated Socratic method, which, if carried out as true dialogue, is a balance between students, including the teacher promoting the discussion.

However, other authors argue that " entrepreneurship " is nothing but a specific kind of labor or human capital and should not be treated separately.

However, as authors Briar and Hobbs claim, " all the pyramids were robbed " by the New Kingdom, when the construction of royal tombs in a desert valley, now known as the Valley of the Kings, began.

However, there were those who did not believe this, for instance the Fransiscan friar Roger Bacon ( c. 1214-1294 ) stated that books falsely claiming to be by ancient authors " ought to be prohibited by law ".

" However, due to various outside pressures, the statements never clarified that only Iraq was using chemical weapons, and retrospective authors have claimed, " The international community remained silent as Iraq used weapons of mass destruction against Iranian as well as Iraqi Kurds.

However, Niven later invited other authors to participate in a series of shared-universe novels, with the Man-Kzin Wars as their setting.

However, the foundation of memetics in full modern incarnation originates in the publication in 1996 of two books by authors outside the academic mainstream: Virus of the Mind: The New Science of the Meme by former Microsoft executive turned motivational speaker and professional poker player, Richard Brodie, and Thought Contagion: How Belief Spreads Through Society by Aaron Lynch, a mathematician and philosopher who worked for many years as an engineer at Fermilab.

However, in Porphyry's Greek text De Abstinentia (« Περὶ ἀποχῆς ἐμψύχων »), there is a reference to the now-lost histories of the Mithraic mysteries by Euboulus and Pallas, the wording of which suggests that these authors treated the name " Mithra " as an indeclinable foreign word.

However, although American evangelicals are overwhelmingly opposed to such things, other evangelicals are increasingly willing to consider that the views of the biblical authors may have been culturally conditioned, and they may even argue that there is room for change along with cultural norms and scientific advancements.

However, a 1988 article by Brian Martin in Science and Public Policy states that although their paper concluded the effects would be less severe than originally thought, with the authors describing these effects as a " nuclear autumn ", other statements by Thompson and Schneider show that they " resisted the interpretation that this means a rejection of the basic points made about nuclear winter ".

However, the usage of both terms varies among authors, including the exact scope of each.

However, one must note both Katsufumi and the authors of Posture, Locomotion, and Paleoecology of Pterosaurs based their research on the now outdated theories of pterosaurs being seabird-like, and the size limit doesn't apply to terrestrial pterosaurs like azhdarchids and tapejarids Furthermore, Darren Naish concluded that atmospheric differences between the present and the Mesozoic weren't needed for the giant size of pterosaurs.

However, Greek-influenced Roman authors, such as Polybius and Cicero, sometimes also used the term as a translation for the Greek politeia which could mean regime generally, but could also be applied to certain specific types of regime which did not exactly correspond to that of the Roman Republic.

However, Flori and Gillingham are nevertheless in agreement that contemporaneous accounts do not support the suggestion that Richard had a sexual relationship with King Philip II of France, as suggested by some modern authors.

However, through reading authors like Walt Whitman and Jeffries that stressed a worth, importance and enthusiasm for life she held onto hope for a better future.

However, authors usually credit the result to a 1966 paper by Böhm and Jacopini, possibly because Dijkstra cited this paper himself.

However, some authors have pointed out that at least some of the no-communication arguments are tautological, having the limitation on superluminal communication built into the starting assumptions.

However, some authors ( including mathematicians ) use φ for inclination ( or elevation ) and θ for azimuth, which " provides a logical extension of the usual polar coordinates notation ".