000 00316nam a2200133Ia 4500
001 20710
008 230316s9999 xx 000 0 und d
100 _aMackean, D. G.
245 0 _aIntroduction to Biology
260 _aNigerian
260 _bHeinemann Educational Books (Nigeria)Plc
300 _a256
942 _cBK
999 _c7848
_d7848