Thakur, S N. Atom, laser and spectroscopy / by S.N. Thakur and D.K. Rai. - / . - New Delhi : PHI Learning , 2010. - ix, 369p. : ills. ; 23cm . Includes index ISBN: 9788120339569 RS350.00 Subjects--Index Terms: SPECTROSCOPY Dewey Class. No.: 539.744 / THA/A