During the 1970s and 1990s, there was an epistemological shift away from the positivist traditions that had largely informed the discipline.

From Roy Ayers in the 1970s to Randy Weston in the 1990s, there have been collaborations which have resulted in albums such as Africa: Centre of the World by Roy Ayers, released on the Polydore label in 1981.

; at the peak of the influx, by the early 1990s there were 36, 000 Sudanese refugees in Mboki in south-east C. A. R.

In the 1980s and 1990s there was a significant increase in passenger transport on the roads in the Czech Republic, which was associated with a sharp increase in the accident rate.

During the 1980s and 1990s there was a Central Advisory Commission established by Deng Xiaoping which consisted of senior retired leaders, but with their death this has been abolished since 1992.

Their enrollment at CUNY dropped precipitously ; there were further enrollment declines through the 1980s and into the 1990s.

The shift from a command economy to a market economy has proven to be difficult ; in particular, there were no theoretical guides for doing so before the 1990s.

By the early 1990s there was sufficient interest among his seminar graduates to launch a collaborative implementation of his work, and the Bootstrap Alliance was formed as a non-profit home base for this effort.

The original three-part miniseries version was first shown on Disney's Wonderful World Of Color, February 9, 16 and 23, 1964, and shown again there a few times, included in a late 1980s Wonderful World of Disney syndicated rerun package, and cablecast in 1990s on the Disney Channel.

However, there are a range of books, playing methods, and, since the 1990s, instructional DVDs ( e. g., on how to play rockabilly-style slap bass ).

; Telephone system: large system ; underwent extensive upgrading during 1990s and is reasonably modern ; Telecom Egypt, the landline monopoly, has been increasing service availability and in 2006 fixed-line density stood at 14 per 100 persons ; as of 2007 there were three mobile-cellular networks and service is expanding rapidly

From the 1990s to the present day, there has been a progressive movement from traditional film opticals to an integrated digital film environment, with special effects, cutting, colour grading, and other post-production tasks all sharing the same all-digital infrastructure.

During the 1990s in Argentina, there appeared a stirnerist publication called El Único: publicacion periódica de pensamiento individualista.

Events that took place there, by the end of the 1990s and the first years of the 21st century, provoked the second reason for controversy.

In the 1990s, there was a resurgence of interest among jazz guitarists in acoustic archtop guitars with floating pickups.

In the early 1990s there was a political debate as to how and if the flower should be incorporated onto the national Rugby teams shirts, perhaps replacing the controversial Springbok.

In the early 1990s, there was a rough consensus among industry analysts that the mainframe was a dying market as mainframe platforms were increasingly replaced by personal computer networks.

Alternative rock grew out of the grunge scene of the late 1980s and early 1990s and is particularly favored by college radio and adult album alternative stations ; there is a strong focus on songwriters and bands with an outsider sound or a more sophisticated sound than the " three chord wonder " cliché.

Other forms of Wicca have also attracted queer people, for instance, the theologian Jone Salomonsen noted that there was an unusually high number of LGBT, and particularly bisexual individuals within the Reclaiming tradition of San Francisco when she was doing her fieldwork there in the 1980s and 1990s.

Since the 1990s, there have been organized Hellenic groups practising in Greece.

A more explicit expression of the same appears in the later The Shield of Time where a time-traveling young American woman from the 1990s pays a brief visit to a university campus of the 1960s and is not enthusiastic about what she sees there.

In the early 1990s there were several other systems for storing outline-based fonts, developed by Bitstream and METAFONT for instance, but none included a general-purpose printing solution and they were therefore not widely used.

Traditionally the windows of town pubs were of smoked or frosted glass to obscure the clientele from the street but in the 1990s and after in the UK and other countries there has been a move towards clear glass, in keeping with brighter interior décors.

Since the 1990s, there has been a debate within the PLO as to whether to halt terrorist activities completely or to continue attacking Israel as well as negotiate diplomatically with Israel.

In the late 1980s and 1990s authors such as George Marcus and James Clifford pondered ethnographic authority, in particular how and why anthropological knowledge was possible and authoritative.

Andre Kirk Agassi (; born April 29, 1970 in Las Vegas, Nevada ) is a retired American professional tennis player and former World No. 1, who was one of the game's most dominant players from the early 1990s to the mid 2000s.

As a simple, cheap and reliable device, the Russian abacus was in use in all shops and markets throughout the former Soviet Union, and the usage of it was taught in most schools until the 1990s.

** Atlas Carver, a South African military jet development project that was cancelled in the 1990s

Also, a new version of Asteroids was developed for PlayStation, Nintendo 64, Windows, and the Game Boy Color in the late 1990s.

The ongoing conflict with Azerbaijan over the ethnic Armenian-dominated region of Nagorno-Karabakh ( which was part of Soviet Azerbaijan ) and the breakup of the centrally directed economic system of the former Soviet Union contributed to a severe economic decline in the early 1990s.

In the 1990s, given Australia's long dominance of the Ashes and the popular acceptance of the Darnley urn as ‘ The Ashes ’, the idea was mooted that the victorious team should be awarded the urn as a trophy and allowed to retain it until the next series.

The wicketkeeper-batsman position was held by Ian Healy for most of the 1990s and by Adam Gilchrist from 2001 to 2006 – 07.

It was used as entrance music by various American sports teams, most notably by the Chicago Bulls during their 1990s NBA dynasty.

In the 1990s Hasbro edition, the hotel chains were replaced by generic corporations, though the actual gameplay was unchanged.

The best selling model, the Amiga 500, was introduced in 1987 and became the leading home computer of the late 1980s and early 1990s in much of Western Europe.

Whilst it may not have been as popular as the Spectrum, Commodore 64 or Amstrad CPC, it did sell in sufficient numbers to ensure that new software was being produced right up until the early 1990s.

For some time in the early 1990s, the Mac was a primary client on the rapidly expanding Internet.

It was commercially available from that summer into the early 1990s.

After a period of dereliction Aberdour House was developed for residential use in the early 1990s.

The town has one of the two Welsh-medium primary schools in Monmouthshire, Ysgol Gymraeg y Fenni, which was founded in the early 1990s.

When emulators of 1980s video game consoles began to appear on home computers in the late 1990s, the Atari 7800 was one of the last to be emulated.

* 1990s: With the Yamada and Kojima household chain stores appearing throughout the suburban outskirts of Tokyo, the sale of consumer durables at Akihabara was greatly reduced, but the sale of computer goods increased in equal measure.

* It was also during the 1990s that the anime craze grew out of video games, and the youth group known as otaku began to pour into Akihabara.

In the 1990s, " cloning " was an epidemic that cost the industry millions of dollars.

: Two Hebrew volumes were published during his lifetime by Soncino Press, and the third Hebrew volume was published posthumously by JTS Press in the 1990s.

Also in the late 1990s in the Walloon south of the country, French speaking / rapping Starflam was the biggest name in hip hop.

Developed by the United States Navy in the 1950s, it was deployed in the 1960s, updated in the 1990s, and eventually installed on over 200 USN surface ships, specifically cruisers, destroyers, and frigates.