Environmental data report : United Nations environment programen / UN Environment Programme - Oxford : Basil Blackwell, c1987. - vii,352 p. : ill. ; 27 cm. ISBN: 0631156844 LCCN: Subjects--Topical Terms: Pollution Human ecologyStatistics Environmental monitoring LC Class. No.: D174 / .E575 1987 Dewey Class. No.: 363.73