Brown, Lester R.
State of the world 1986: a Worldwatch Institute report on progress toward a sustainable society by Lester R. Brown - Delhi Prentice-hall 1987 - 263p.
0876924720
Sustainable development
Ecology
O9106 B813/86
State of the world 1986: a Worldwatch Institute report on progress toward a sustainable society by Lester R. Brown - Delhi Prentice-hall 1987 - 263p.
0876924720
Sustainable development
Ecology
O9106 B813/86
