However, the Vikings lacked both the equipment necessary to undertake a siege against the burh and a developed doctrine of siegecraft, having tailored their methods of fighting to rapid strikes and unimpeded retreats to well defended fortifications.

However, slow phosphor has the negative side-effect of causing image smearing and blurring when there is a large amount of rapid on-screen motion occurring.

However, rapid technological advances and worldwide participation accelerated the completion date to 2003 ( making it a 13 year project ).

However, given the rapid progress in the industry they are working on a more in depth study to be concluded in May 2012.

However, the classification as a metro or rapid rail can be difficult as both may typically cover a metropolitan area exclusively, run on separate tracks in the centre, and often feature purpose-built rolling stock.

However, their effectiveness in humans has not been established, and is limited by poor absorption into cells and rapid excretion.

However, the rapid capture of so many neutrons would provide needed direct experimental confirmation

However, German unification in 1870 stimulated consolidation, nationalisation into state-owned companies, and further rapid growth.

However, this treatment is not optimal in other forms such as reactive hypoglycemia, where rapid carbohydrate ingestion may lead to a further hypoglycemic episode.

However, these same features made Windows NT perfect for the LAN server market ( which in 1993 was experiencing a rapid boom, as office networking was becoming common ).

However, German unification in 1870 stimulated consolidation, nationalisation into state-owned companies, and further rapid growth.

However, the rapid post-war economic development of the East Asian Tigers, India, the People's Republic of China, along with the collapse of the Soviet Union, have loosened European and North American influence in Asia, generating speculation today about the possible re-emergence of India and China as superpowers.

However, the rapid changes saw millions of people sent to correctional labour camps, and deported and exiled to remote areas of the Soviet Union.

However, during the bebop era, the rapid tempo and complicated chord progressions made it increasingly harder to play " by ear.

However, the rush to complete this rapid expansion scheme resulted in the deaths of 997 personnel and another 700 wounded.

However, spies and others whose secrets must be guarded may have an induced allergy to fast-penta and rare few people are naturally allergic ; in both cases using the drug on allergic person results in rapid death from anaphylactic shock.

However, prompted by grain shortage in 1928, Stalin reversed himself and proposed a program of rapid industrialization and forced collectivization because he believed that the NEP was not working fast enough.

However, the rapid development ( 8 % of increase of passengers served at Polish airports in 2008 compared to 2007 ) of the unsaturated market and the existence of vast areas of land, not covered by airports within 100 kilometers of journey, allow to assume that many new airports could be necessary to properly serve this land pupulated by appox.

However, the punctuational equilibrium model may still be inferred from both the observation of stasis and examples of rapid and episodic speciation events documented in the fossil record.

However, with the rapid growth of technology jobs in the San Francisco Metropolitan area, the traditional boundaries of Silicon Valley have expanded North to include the rest of San Mateo County, San Francisco County as well as parts of Marin County.

However, the city boasts an excellent public transit system using a fleet of modern buses, and is beginning to plan for a rapid transit link to the western communities.

However, many wildebeest populations are experiencing rapid declines.

However, his successor, George Grey, promoted rapid cultural assimilation and reduction of the land ownership, influence and rights of the Māori.

However, although food imports fell significantly between 1932 and 1937, Germany's rapid rearmament policy after 1935 proved contradictory to the Nazi Party autarkic ambitions and imports of raw materials rose by 10 % over the same period.

However, with domestic demand led growth ( as in the United States and Australia ) the trade balance will worsen at the same stage in the business cycle.

However, after more than three decades of unbroken growth, the Cypriot economy contracted in 2009.

However, as with the ILOVEYOU worm, and with the increased growth and efficiency of phishing attacks, it remains possible to trick the end-user into running malicious code.

However, in the 1950s little investment was made either for players or to The Valley, hampering the club's growth.

However, other critics have praised Mather's works, believing it to be one of the best efforts at properly documenting the establishment of America and growth of the people ( Halttunen 311 ).

However, according to recent studies, California chaparral is extraordinarily resilient to very long periods without fire and continues to maintain productive growth throughout pre-fire conditions.

However, abiotic mechanisms for stromatolitic growth are also known, leading to a decades-long and sometimes-contentious scientific debate regarding biogenesis of certain formations, especially those from the lower to middle Archean eon.

However, the original constituencies drawn in 1871 were never redrawn to reflect the growth of urban areas.

However, GDP per capita — amounting to $ 425 in FY 2002 — will continue to decline as population growth is estimated at 1. 3 % p. a.

However, reaching those goals required policies that moved away from balancing the budget, lowering inflation, and reducing the deficit and external debt to attract investment and stimulate economic growth.

However, due to the quicker growth in the beginning, a few weeks of grow time can be shaved off.

However the growth of the number of cars increasingly outpaces the construction of new roads, resulting in frequently crippling traffic jams in large parts in major cities especially in Jakarta, which often also happen on highways.

However, because most of Iraq ’ s gas output is associated with oil, output growth depends on developments in the oil industry.

However, thanks mainly to the massive immigration of the last two decades, in recent years Italy experienced a significant growth in birth rates.

However, the objectives were largely missed, and as a result the South became increasingly subsidized and state dependent, incapable of generating private growth itself.

However, due to the enormous growth of the Internet and the predicted depletion of available addresses, a new version of IP ( IPv6 ), using 128 bits for the address, was developed in 1995.

However, in Mandel's theory, there are no long " cycles ", only distinct epochs of faster and slower growth spanning 20 – 25 years.

However, the tradition is comparatively late ( it dates from Josephus, a 1st century AD historian ), and scholars are practically unanimous that the book had a long period of growth, that it includes some material of considerable antiquity, and that it reached its present form in the Persian period ( 538 – 332 BC ).

However, growth in 1999 was held down by the severe regional economic dislocations caused by the Kosovo war.

However, this proved unsustainable and growth scaled back sharply to just 8. 2 % in the Eighties and 8. 9 % in the Nineties.

However the city has now grown to include a number of newer suburban developments as well as older neighboring villages that have been engulfed by the growth of the city.

However, the CIA World Fact Book estimated that North Korea's annual population growth rate was 1. 0 % in 1991 and that it has since declined to 0. 4 % by 2009.