20111006d1936 |||y0rusy50 ca creator Юз А. Л text monographic На обороте тит. л.: "Photoelectric phenomena. By Arthur Llewelyn Hughes, D.Sc. prof. of physics, Washington university, St. Louis and Lee Alvin Du Bridge, Ph. D. assistant prof. of physics, Washington university, St. Louis edition. Mg Graw-Hill book company, ing. New Iork and London. 1932" NLR 36-4/1026 20111006115259.3 rc\3041738