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H. Ruchlis

Hy Ruchlis · Hyman Ruchlis · Ruchlis H

titleISBN-13
(ISBN-10)		year of publication
Orbit978-0-06-025111-6
(0-06-025111-5)		1958
Wonder of Light a Picture Story of How and Why We Se978-0-06-025146-8
(0-06-025146-8)		2000

H. Ruder