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, his subject matter and basic themes have remained surprisingly consistent, and these, together with certain key poetic images, may be traced through all his work, including the new jazz experiments.

However, the subsequent period saw the departure of manager van Gaal along with an exodus of many key players including Clarence Seedorf in 1995 ; Edgar Davids, Michael Reiziger, Finidi George, and Nwankwo Kanu in 1996 ; Patrick Kluivert, Marc Overmars, and Winston Bogarde in 1997 ; Ronald de Boer and Frank de Boer in 1998 ; and Edwin van der Sar and Jari Litmanen in 1999.

However, it was recovered on 27 August 1922, a key moment in the great Turkish counter-attack in the Aegean region.

However, stubborn pockets of defence in key locations throughout the Ardennes, the lack of serviceable roads, and poor German logistics planning caused delays.

However, during the era of segregation many Southern Democrats were conservatives, and they played a key role in the Conservative Coalition that controlled Congress from 1937 to 1963.

However, members were divided over key issues, only 25 had previous parliamentary experience, and although many had some legal training, there were no qualified lawyers.

However, in more specific calculators, a button can perform multi-function working with key combination or current reckoning mode.

However, after the new Constitution took effect, the Congress passed a code of ethics which imposes penalties on members who defy their party leadership on key votes.

However, by the end of the 19th century, other key figures in the progress of electrical engineering were beginning to emerge.

However, like in the previous story they make a key mistake which Encyclopedia exposes.

However, the success of the XM-291 doesn't imply the success of ETC technology as there are key parts of the propulsion system that are not yet understood or fully developed, such as the plasma ignition process.

However, Willy Brandt's Ostpolitik was a key factor in the détente of the 1970s.

However, Schauerroman's key elements are necromancy and the secret societies and it is remarkably more pessimistic than the British gothic novel.

However, Erhard suffered a series of decisive defeats in his effort to create a free, competitive economy in 1957 ; he had to compromise on such key issues as the anti-cartel legislation.

However, as in any other cryptographic system, care must be used to correctly apply even information-theoretically secure methods ; the Venona project was able to crack the one-time pads of the Soviet Union due to their improper reuse of key material.

However, while names, key events and titles may have been borrowed, Brynley Roberts has argued that " the Arthurian section is Geoffrey's literary creation and it owes nothing to prior narrative.

However, this method suffers from a serious flaw: with most hash functions, it is easy to append data to the message without knowing the key and obtain another valid MAC (" length-extension attack ").

However, to both those qualities were just means to the final goal and here they were divided by a key difference.

However, his administration was besieged by charges of corruption, resulting in the resignation of several key officials in mid-2000.

However, practical problems have prevented one-time pads from being widely used, except with quantum key distribution.

However, the 17th century was not simply an era of stagnation and decline, but also a key period in which the Ottoman state and its structures began to adapt to new pressures and new realities, internal and external.

However, only the person who possesses the key can open the mailbox and read the message.

However, the workings of the lock are such that it is impossible ( so far as is known ) to deduce from the instructions given just exactly how to make a key that will open that lock ( e. g. a " private key ").

However, there is no public-key scheme with this property, since all public-key schemes are susceptible to a " brute-force key search attack ".