00410nam a2200145Ia 4500008004100000082001600041100002300057245006100080260004500141300000800186650001800194650001800212653001200230653002200242170901s1986    xx            000 0 und d  a574.5bW24E  aWatt, Kenneth E.F. 0aEcology and Resource ManagementbA Quantitative Approach  aNew YorkbMcGraw-Hill Book Companyc1986  a450  aLife sciences  aPure Sciences  aEcology  aNatural resources