State of the world 1987;
State of the world 1987; a world watch institute report on progress toward a sustainable society
by Brown R Lester
- New York W.W, Norton & Company 1987
- xvii, 268p.;
0393303896
Sustainable development
Economic development
HD 72 / .S72 1987
0393303896
Sustainable development
Economic development
HD 72 / .S72 1987