Newton, Roger G. Galileo's pendulum : from the rhythm of time to the making of matter / Roger G. Newton. - Cambridge, Mass. : Harvard University Press, 2004. - x, 153 p. : ill. ; 21 cm. Includes bibliographical references (p. [142]-145) and index. ISBN: 067401331X (alk. paper) LCCN: 2003056972 Subjects--Topical Terms: Time measurements.Pendulum. LC Class. No.: QB209 / .N48 2004 Dewey Class. No.: 529/.7