-
1Proposals for improved mechanisms to developed the biosphere reserve system as an integrated networkby 71187 GAY, P., 1187 UNESCO, París (Francia), 15962 PNUMA, Nairobi (Kenia), 31511 1. International Biosphere Reserve Congress Minsk, Byelorussia (URSS) 26 Set - 2 Oct 1983
Published 1984bibliotecaIICA