edited by Geoffrey S. HallCAB International in association with United Nations Educational, Scientific and Cultural Organization (UNESCO) and the International Union of Biological Sciences (IUBS)c1996
edited by Geoffrey S. Hall ; project coordinators, Pierre Lasserre and David L. HawksworthCAB International in association with United Nations Educational, Scientific and Cultural Organization (UNESCO) and the International Union of Biological Sciences (IUBS)c1996