000 00335nam a2200109Ia 45e0
008 181001s1955 xx 000 0 und d
100 _aSmith K.F.
245 0 _aMolecular Beams
260 _aN.Y.
_bJohn Willey Inc. N.Y.
_c1955
300 _a133
942 _2ddc
_cBK
999 _c513
_d513