000 00539 a2200253 4500
001 119445
020 _a3
041 _aeng
080 _a621.383 Sum
245 _aPhotosensitors : a treatise on photoelectric devices and their aplication to industry
250 _a
260 _aLondon
260 _bChapman and Hall,
260 _c1957
300 _axvi,675 p.
300 _c21.5 cm
490 _a
100 _aSummer, W.
700 _a
650 _a
650 _aPhotosensitizing compounds
942 _cBK
942 _2UDC
999 _c57284
_d57284