000 00312nam a2200121Ia 4500
100 _aStangl, Jean
020 _a0-8306-3216-6
942 _cBK
245 _aThe Tools of science
_Bideas and activities for guiding young scientists
260 _aTab Books, PA
_c1987
082 _a372.3 Sta
300 _axi,147p ill.
999 _c34533
_d34533