Hughes, Arthur Llewelyn Photoelectric phenomena Arthur Llewelyn Hughes and Lee A. DuBridge - New York McGraw Hill 1932 - xii+531p. diagrams; illus - International Series in Physics . Subjects--Topical Terms: Arthur Llewelyn HughesLee Alvin DubridgePhotoelectric Phenomena Universal Decimal Class. No.: 535.217 / DUB