Biosphere reserves the seville strategy & the statutory framework of the world network - 18p - MAB programme Biosphere reserves = Biosphere reserves Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: P-3144 Nat. Bib. Agency Control No.: 631.308 BIO Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631.308