000 00406nam a22001577a 4500
015 _a531
041 _aENG
100 _cWilliam and Stella.
100 _aWilliam and Stella.
245 _amen of science and their discueries
260 _ageorge G.Harrapsc co.ltd
_bgeorge G.Harrapsc co.ltd
_c1963
300 _a304
999 _c398
_d398