Mueller, Robert E Inventivity how man creates in art and science. With illus. by the author. - New York John Day Co. [1963] - 193 p. illus. 21 cm. LCCN: 63007959 /L Subjects--Topical Terms: InventionsCreation (Literary, artistic, etc.) LC Class. No.: T212 / .M8 Dewey Class. No.: 608.7