00985cas a2200253 a 450000100070000000500170000700800410002401000160006501900120008103500170009303500110011004000200012104200080014111000740014924500450022324600390026826000960030730000150040336200190041865000230043765000260046078001360048698401090062288334620091125112323.0831104u1973uuuusz uu m i0 a0eng u asn 890105471 a2936971 9000002936971 9627329 aLCbengcLCdLC alcd2 aInternational Union for Conservation of Nature and Natural Resources.10aIUCN environmental policy and law paper.30aEnvironmental policy and law paper aMorges, Switzerland,bInternational Union for Conservation of Nature and Natural Resources. av.c24 cm.0 ano. 4- 1973- 0aEnvironmental law. 0aEnvironmental policy.00aInternational Union for Conservation of Nature and Natural Resources.tIUCN environmental law paper,w(OCoLC)1951813gno. 1-3; 1972 aANLcS 639.908 INT (D 210/1)dNo. 4-no. 5; no. 7-no. 9; no. 11-no. 19e(1973-1973; 1974-1975; 1976-1982)