000 00339nam a2200145Ia 4500
008 140205s9999 xx 000 0 und d
082 _a574.5/PHI
100 _aPhillipson, John
245 _aEcological energetics
260 _bEdward Arnold
_aLondon
_c1966
300 _a57
650 _aecology
650 _afood chain
942 _2ddc
_cBK
999 _c618
_d618