00481nam a2200181Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082002100092100002400113245005900137260005200196300001600248365000800264650002700272OSt20250506113539.0210423s1991    xx            000 0 und d  a8185336195  cAL  aeng  a363.7 223bSILO  aCheryl Simon Silver  aOne earth one future: our changing global environment.  aNew DelhibAffiliated East West Press Ltdc1991  axii,196bPB  cINR  aEnvironmental Problems