By Paul L. Knox, John Agnew
By Chips Barber
By Armen Takhtajan
By Rosaleen Duffy, Mick Smith
By Crang, Mike
By Lisa Goodson, Jenny Phillimore
By Jo-Anne Lester, Caroline Scarles
By Jennifer Laing, Warwick Frost
By Tim Cresswell, Deborah Dixon, Paul Beard, Ann Brigham, David B. Clarke
By Jane C. Desmond
By Carolyn Cartier (Northern Arizona University, USA), Alan A Lew
By Hoare, Philip
By George T. Stride, C. Ifeca
By Charles Warren
By Michael Reed
By V. Mitsilegas, J. Monar, W. Rees
By Y. Sellek
By B. Dallago, C. Guglielmetti
By Ruth Fincher, Kurt Iveson
By V. Briginshaw
By G. Seyfang
By Thomas Faist, P. Kivisto
By R. Foster
By J. Chevalier, P. Geoffron
By N. Harrison, J. Mikler
By Ian Whyte
By D. Cook
By J. Oriji
By S. Dodds