000 00416nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a540.7 H1
100 _a"Hartung, E J"
245 0 _aScreen Projection of Chemical Experiments
250 _a\\195300ENGGPSX
260 _aVail-Ballow
260 _b1953
260 _cNewyork
300 _axiv+291p
500 _aincludes index and biblioraphy
942 _cBK
999 _c9430
_d9430