000 00270nam a22001217a 4500
999 _c5635
_d5635
020 _a333155807
082 _a570.7
100 _aKREMAR L M.J
245 _aTeaching the life sciennces
260 _aMacmillan
_bill, index,22cm
_c1975
650 _aSCIENCES
942 _cBK