Eberly J.H., J.W. Gallagher, and E.C. Beaty, Multiphoton Bibliography, 1978(University of Rochester, University of Colorado, National Bureau of Standards, 1979).
Smith S.J., J.H. Eberly, and J.W. Gallagher, Multiphoton Bibliography 1983-1986(University of Colorado and University of Rochester, Boulder, 1989), p. 272.