000 00266nam a2200109Ia 4500
008 160710s1930 xx 000 0 und d
100 _aRUARK, A. E.
245 _aATOMS, MOLECULES & QUANTA.
260 _aNEW YORK
_bDOVER PUB.
_c1930
300 _a447
942 _2ddc
_cB
999 _c30315
_d30315