By Sean Dineen
By Marek Capinski, Ekkehard Kopp
By T. S. Blyth, E. F. Robertson
By Walter Gander, Jiri Hrebicek, J. Hebiek
By Michel Remoissenet
By M. Remoissenet
By C. Herbert Clemens (University of Utah), Michael A. Clemens (Salt Lake City, Utah)
By W. Saenger
By Heinz-Otto Peitgen, etc., H. Jurgens, D. Saupe (all of the University of Bremen, Germany)
By Patricia M. Davies, David J. Bruhwiller, W. M. Zinn
By Jim Smith, Nicholas A. Beresford
By Paul A. Rosenberg
By Paolo Sassone Corsi, Yves Christen
By Vitaly L. Ginzburg
By Siegfried Siegesmund, Rolf Snethlage
By Josep G. Canadell, Diane E. Pataki, Louis F. Pitelka
By W. L. Steffen, etc.
By Peter D. Tyson, Roland Fuchs, Congbin Fu, Louis Lebel, Hermine Vloemans
By Thomas E. Downing
By Eric F. Lambin, Helmut J. Geist
By Kenneth R. Lang
By M Musiela (University of New South Wales, Sydney, Australia), Marek Rutkowski, Antonio Jose Engler
By Joachim Klewes, Ralf Langen
By Georg Kamm, T. Graf-Baumann
By Joaquim P. Marques de Sa
By Bruce W. Char, K.O. Geddes, Gaston H. Gonnet, B. Leong, M.B. Monagan
By Paul R. Halmos
By Albert L. Smit, A.G. Bengough, Chris Engels, M. Van Noordwijk, S. Pellerin
By Gordon S. Laing
By PETER BEIGHTON, Greta Beighton, John M. Opitz