Krattiger, A.F. Widening perspectives on biodiversity / by Anatole F. Krattiger, [et all....] - Cambridge : IUCN- The World Conservation Union, 1994. - 473 p. ; 26 cm. ISBN: 2831702003 Subjects--Topical Terms: Biodiversity conservation -- Congresses; Nature Conservation; Dewey Class. No.: 639.920 KRA / 939