00755mam a2200253 a 4500 2003813 BD-DhUL 20160519081700.0 970715s1997 gw a b 000 0 eng d (OCoLC)ocm37294077 (NNC)2003813 EUN EUN OLA BD-DhUL 333.95 MAO Margalef, Ramón. Our biosphere / Ramón Margalef. Oldendorf/Luhe : Ecology Institute, 1997. xxii, 176 p. : ill. ; 25 cm. Excellence in ecology, 0932-2205 ; 10 Includes bibliographical references. Biosphere. Nature Effect of human beings on. Excellence in ecology ; 10. ddc BK 67694 67694 0 0 ddc 0 333_950000000000000_MAO 0 NFIC 115073 DUL DUL GEN 2016-05-19 Purchased 333.95 MAO 353844 2016-05-19 2016-05-19 BK