Caldwell, John C.

Desertification : demographic evidence, 1973-1983 : a report to the United Nations Environmental Programme Desertification Section / John C. Caldwell. - Canberra : Australian National University. Development Studies Centre, 1984 - 50 p. - Occasional paper / no. 37 . - Occasional paper (Australian National University. Development Studies Centre) ; no. 37 .


Desertification.
Human ecology.