Dasilva, Edgar Nature & resources: the UNESCO journal on the environment and natural resources research. / Edgar Dasilva. - UK: UNESCO, 1995. - Various pages: Illustrations, colored photographs, graphs, map, 28cm. - Vol, 31 Number 1 . Editorial Newspieces Bookshelf Soundbites Meetings calendar In English Pbk. Subjects--Topical Terms: Nature resources | Journal Dewey Class. No.: 304 NAT 1995