00575nam a2200133Ia 4500008004100000040001700041082002400058110008700082245004900169260002800218300001000246500012300256650006200379190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta333.716bI61F  aInternational Union for Conservation of Nature and Natural Resources (Switzerland) 0aFirst draft of a world conservation strategy  aSwitzerlandbIUCNc1978  a460p.  aPreparedby IUCN with the financial assistance of the United Nations environment programme and the World Wildlife fund.  aConservation of natural resources; Wild life conservation