000 00442nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a621.381 51 W1
100 _a"Ward, L"
245 0 _aIntroduction to the Theory and Practice and High Vacuum Technology
250 _a\\196700ENGGPSX
260 _aButterworths
260 _b1967
260 _cLondon
300 _avii+216
500 _aincludes index and biblioraphy
942 _cBK
999 _c18862
_d18862