Bohn, Ralph C. Power : mechanics of energy control / Ralph C.Bohn and Angus J. MacDonald. - 1st ed. - Bloomington : McKnight Pub. Co., 1970. - 258 p. : illus. ; 27 cm. Open access. ISBN: 0873454863 LCCN: 70111986 Subjects--Topical Terms: Power (Mechanics)