Classical mechanics : an undergraduate text / R. Douglas Gregory. Gregory, R. Douglas. Mechanics. QA805 .G653 2006 531 22 GRC Includes bibliographical references (p. [589]-590) and index. Cambridge, UK ; New York : Cambridge University Press, c2006. c2006. 2006 Text xii, 596 p. : http://www.loc.gov/catdir/enhancements/fy0665/2006280036-d.html http://www.loc.gov/catdir/enhancements/fy0665/2006280036-t.html http://www.loc.gov/catdir/enhancements/fy0732/2006280036-b.html eng