000 00273nam a2200121Ia 4500
100 _aSchneider,nina & Herman
942 _cBK
654 _a
245 _aScience for today and tomorrow
260 _aU.S.A.
_bD. C. Health & Company
_c1955
082 _a503
300 _a362
999 _c419864
_d419864
041 _aeng