00457nam a22001572  4500001001100000005001700011008004100028020001700069040001500086050001500101100003400116245007200150260002600222300001400248650003700262000000453220151217145814.0070524s        xx            000 0 eng d  a0195074696 :  aKABUcKABU 0aQA75b.B671 aBotkin, Daniel B.@000014973610aDiscordant harmonies :ba new ecology for the twenty first century.  aOxford :bOUP,c1990.  ax, 241 p. 0aNature conservation.@0000155135