Archer A A, and others Ed. Man's dependence on the earth The role of the geo Archer A A, and others Ed. - Paris UNESCO 1987 - xiii, 216p cm. - United Nations Educational, Scientific and Cultural Organization. United Nations Environment Programme . Bibliography chapterwise ISBN: 9231023845 Source: General Book Subjects--Topical Terms: Geography irt Ecology Dewey Class. No.: U:(G:5), M7