Συλλογικό Έργο:	World Resources Institute, The World Conservation Union, United Nations Environment Programme, Food and Agriculture Organization, United Nations Education, Scientific and Cultural Organization
Μορφή:	Βιβλίο
Γλώσσα:	English
Έκδοση:	[s.l.] : World Resources Institute, 1992
Θέματα:	Biological diversity conservation Species diversity