000 00314nam a22001337a 4500
020 _a0713122684
050 _aMED QH541
_bP45
100 _aPhilipson, J.
245 _aEcological Energetics
260 _aLondon
_bThe English Language Book society
_c1975
300 _a57p.
_bill.
650 _aGenetics
942 _cBK
999 _c2637
_d2637