000 00279nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a621.55 Y294
100 _aYARWOOD.J
245 0 _aHIGH VACUUM TECHNIQUE
260 _bCHAPMAN, LONDON
_c1956
300 _a23X14
942 _cBK
999 _c61505
_d61505