The threatening desert :
Grainger, Alan.
The threatening desert : controlling desertification / - London : Earthscan in association with United Nations Environment Programme, Nairobi, 1990. - xiv, 369 p. ;
Includes index.
1853830410 (pbk.) :
Desertification
GB611
The threatening desert : controlling desertification / - London : Earthscan in association with United Nations Environment Programme, Nairobi, 1990. - xiv, 369 p. ;
Includes index.
1853830410 (pbk.) :
Desertification
GB611