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article
[Published 20th February 1989]



article
By Karen Birchard
[Published 20th February 1989]



article
By Robert Crease
[Published 20th February 1989]



article
By Jeffrey Mervis
[Published 20th February 1989]



article
By Eugene Garfield
[Published 20th February 1989]



article
By Fm Butterworth
[Published 20th February 1989]



article
By Allen
[Published 20th February 1989]



article
By Carolyn Konheim
[Published 20th February 1989]



article
By Gerald Garvey
[Published 20th February 1989]



article
By Henry Bauer
[Published 20th February 1989]



article
By Marcia Barinaga
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
By Jennifer Nagorka
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
By Barry Simon
[Published 20th February 1989]



article
By Anne Moffat
[Published 20th February 1989]



article
[Published 20th February 1989]



article
By Richard Sheridan, Wendy Wilson Sheridan
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
[Published 20th February 1989]



article
By Simon Mitton
[Published 20th February 1989]



article
By Bernard Davis
[Published 20th February 1989]