000 00316nam a2200121Ia 4500
008 160710s1949 xx 000 0 und d
082 _a542.48 D 93 S
100 _aDUSHMAN, SAUL
245 _aSCIENTIFIC FOUNDATIONS OF VACUUM TECHNIQUE
260 _bJOHN WILEY & SONS, INC.
_c1949
300 _a882
942 _2ddc
_cB
999 _c10955
_d10955