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Philips Research Reports, Supplement Published by: Eindhoven, Philips Gloeilampenfabrieken Research Laboratory Available at 2 Universities. | |||
Philips Technical Review Published by: Eindhoven, N.V. Philips' Gloeilampenfabrieken (Netherlands) Subject: Sciences: Comprehensive Works Published: 1936 ISSN: 0031-7926 Available at 6 Universities. |