000 00257nam a2200109Ia 4500
008 160710s1967 xx 000 0 und d
100 _aSINGN, H.
245 _aB.S.C PRECTICAL PHYSICS
260 _aU.S.
_bCHAND & CO.
_c1967
300 _a479
942 _2ddc
_cB
999 _c32346
_d32346