000 00309 a2200109 4500
008 180905b xxu||||| |||| 00|
100 _aPeter P. Calow
245 _aThe encyclo pedia of ecology& environmental management
_cPeter P. Calow
260 _alondon
_bWiley-Blackwell
_c1966
300 _a832p.
942 _2ddc
_cBK
999 _c7035
_d7035