People and the earth: basic issues in the sustainability of resources and environment
Rogers John J W
People and the earth: basic issues in the sustainability of resources and environment P Geiffrey Feiss - Cambridge Cambridge University press 1998
0521560284
333.7
People and the earth: basic issues in the sustainability of resources and environment P Geiffrey Feiss - Cambridge Cambridge University press 1998
0521560284
333.7