Owens, Susan Owens, Peter L.
Environment, resources and conservation - Cambridge Cambridge University Press 1991 - 112p. : ill. - Cambridge topics in geography .
0521313783
ENVIRONMENT
CONSERVATION OF NATURAL RESOURCES
502.1 / O9
Environment, resources and conservation - Cambridge Cambridge University Press 1991 - 112p. : ill. - Cambridge topics in geography .
0521313783
ENVIRONMENT
CONSERVATION OF NATURAL RESOURCES
502.1 / O9