Allen, Leslie, 1935- Optical resonance and two-level atoms / L. Allen, J. H. Eberly. - New York : John Wiley & Sons, 1975. - xiii, 233 p. : ill. ; 23 cm. - Interscience Monographs and Texts in Physics and Astronomy / Founded by R.E. Marshak Vol. 28 . "A Wiley-Interscience publication." Includes bibliogr. references. ISBN: 0471023272 Subjects--Topical Terms: LasersOptical resonance.