000 00291nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aRodda, S.
245 0 _aPhoto Electric Multipliers
260 _bMacdonald & Co.
_aLondon
_c1953
942 _c1
999 _c35658
_d35658