TY - BOOK AU - Perlick,Volker TI - Ray optics, Fermat's principle, and applications to general relativity T2 - Lecture notes in physics. Monographs, SN - 3540668985 (alk. paper) AV - QC389 .P37 2000 U1 - 523.01/53 21 PY - 2000/// CY - Berlin, New York PB - Springer KW - Light KW - Transmission KW - Mathematical models KW - Maxwell equations KW - General relativity (Physics) N1 - Includes bibliographical references (p. [211]-216) and index UR - http://www.loc.gov/catdir/enhancements/fy0815/99089303-d.html UR - http://www.loc.gov/catdir/enhancements/fy0815/99089303-t.html ER -