000 00369cam a2200157ua 4500
003 OSt
008 250108b |||||||| |||| 00| 0 eng d
041 _aeng
082 _a621.381542
_bROD/PH
100 _aRodda, S .
_96849
245 _aPhoto electric multipliers /
250 _a1 /
260 _aLondon :
_bMcDonald ,
_c1953.
300 _a180 ; .
942 _cBK
999 _c10013
_d10013