Tolba, Mostafa Kamal.
Earth matters [[Book] /] Mostafa Kamal Tolba ; selected and edited by Robert Lamb and Patrick Allen. - Nairobi : United Nations Environment Programme, 1983. - viii, 163 p. ; 24 cm.
Includes index. On cover: Environmental challenges for the 1980s.
9280710745 9280710745
85980587 //r912
Environmental protection.
Human ecology.
TD170 / .T642
333.72 333.72 333.72
TD170.3.T65
/ T E
Earth matters [[Book] /] Mostafa Kamal Tolba ; selected and edited by Robert Lamb and Patrick Allen. - Nairobi : United Nations Environment Programme, 1983. - viii, 163 p. ; 24 cm.
Includes index. On cover: Environmental challenges for the 1980s.
9280710745 9280710745
85980587 //r912
Environmental protection.
Human ecology.
TD170 / .T642
333.72 333.72 333.72
TD170.3.T65
/ T E