00339nam a2200109Ia 450000500170000024501540001726000090017150000070018058300190018794200060020699900170021220260716043315.0  aUNITED Nations Conference on Environment and Development : Rio Declaration on Environment and Development [adopted at Rio de Janeiro, June 14, 1992].  c1992  aDC  c3/7/00kM2LMGR  cA  c44528d44528