Patents and progress : the sources and impact of advancing technology / edited by Wroe Alderson, Vern Terpstra and Stanley J. Shapiro - Illinois : Richord D. Irwin, c1965. - xiv, 251 p. : 23 cm. ISBN: LCCN: Subjects--Topical Terms: PatentsUnited_states. InventionsUnited_states. United_statesEconomic policy. Technological innovations LC Class. No.: T223 / .Z1A4 1965 Dewey Class. No.: 608.7 / P272