//-->
Population, natural resources, environment and human resources in development
Okita, Saburo, (1982)
Environment management abstracts : USSR and other CMEA countries publications ; EMA
(1992)
Recursos naturales
Fournier Origgi, Luis A., (1993)
The earth in transition : patterns and processes of biotic impoverishment : based on contributions to a conference arranged by the Woods Hole Research Center, Massachusetts, October, 1986
Woodwell, George M., (1990)