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020 _a0340161035
040 _aMAIN
041 _aEnglish
082 _a620
_bPHO
245 _aPhotocell applications
260 _aLondon
_bThe English Universities Press
_c1973
300 _a51p.
650 _aEngineering
942 _cBK
999 _c35841
_d35841