000 00345 a2200133 4500
080 _a577.4:519.333
_bW 34 E
245 1 _aEcology and resource management
_cby K.E.F. Watt
260 _aLondon
_bMcGraw Hill Book Co.
_c1968
650 _aEcology
650 _aResource Management
100 1 _aWatt, K.E.F.
_d
300 _a450 p.
901 _a110925
999 _c32269
_d32269