Yoffe, Abram Fedorovich, 1880- Semi-conductors and their use / Abram Fedorovich Yoffe ; translated from the Russian by George Yankovsky - 2nd rev.ed. - Moscow : Foreign Languages Pub. House, 1960 - 76 p. : ill. ; 20 cm. Subjects--Topical Terms: Semiconductors Dewey Class. No.: 537.622