Physics of solar cells : from principles to new concepts / Peter Würfel. Würfel, Peter, Dr. Solar cells. TK2960 .W87 2005 621.31 22 WUP Includes bibliographical references and index. Weinheim : Wiley-VCH, c2005. c2005. 2005 Text xii, 186 p. : http://www.loc.gov/catdir/toc/fy0612/2006280022.html http://www.loc.gov/catdir/enhancements/fy0644/2006280022-d.html eng