Hanack, Michael. Conformation theory. Translated from the German manuscript by Helmut C. Neumann. - New York, Academic Press, 1965. - ix, 382 p. illus. 24 cm. - Organic chemistry; a series of monographs, v. 3 . LCCN: 63021402 Subjects--Topical Terms: Conformational analysis. LC Class. No.: QD481 / .H23 Dewey Class. No.: 547