Commission on Environmental Law of IUCN -- The World Conservation Union in cooperation with International Council of Environmental LawIUCN, The World Conservation Union2004
general editor: Mark Collins ; introduced by David AttenboroughPublished in association with IUCN: The World Conservation Union [by] Mitchell Beazley1995
compiled by Jim Thorsell with the editorial assistance of Jacqueline SawyerIUCN, the World Conservation Union, in collaboration with UNESCO's World Heritage Committee1992