Introduction to modern physics : theoretical foundations / John Dirk Walecka. Walecka, John Dirk, 1932- Physics. QC21.3 .W25 2008 539 22 WAI Includes bibliographical references (p. 455-459) and index. New Jersey : World Scientific, c2008. c2008. 2008 Text xv, 477 p. : http://www.loc.gov/catdir/toc/ecip0821/2008026760.html eng