00529nam a2200121Ia 4500008004100000082001700041100002400058245009600082260003100178365000600209630009600215730009600311100415s9999    xx            000 0 und d  b18762a574.5  aQUARRIE JOYCE (ED.)  aEarth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro  aLONDONc1993bRICHARD KYLE  b0  aEarth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro  aEarth Summit 1992: United Nations Conference on Environment and Development, Rio de Janeiro