00583cam a22001697a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102245012500117260012300242300001600365650003200381CHAP20220329134249.0971013c19911993        r     00010     d  a17822  a18794  a22879  cCHAP  a574.5bD5500aDirectory of contacts, environmental data bases, and scientific infrastructure on 175 biosphere reserves in 32 countries  aParis :bInternational Cooperation of the Man and the Biosphere (MAB) Programs of Europe and North America,c1991-1993  ac.a. 250 p.14aMedio ambientexSociedades.