000 00334nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aH. R. Lang
_92529
245 0 _aJournal Of Scientific Instrument
260 _c1958
_bThe Institute Of Physics
_aLondon
300 _aP.1-491
300 _bV.35
942 _cJRBV
999 _c21332
_d21332