Vries, Leonard de The second book of experiments / Leonard de Vries ; translated by Eric G. Breeze ; illustrated by Joost van de Woestijne. - London : John murray fiftyalbemarle street, c 1963. - 104 p. : ill. ; 27 cm. - Harvard-Radcliffe fine arts series . 343 343 Subjects--Topical Terms: Physics. Dewey Class. No.: 507 / D49s