Butcher, P. N., & Cotter, D. (1990). The elements of nonlinear optics. Cambridge University Press.

Butcher, Paul N., and D. Cotter. The Elements of Nonlinear Optics. Cambridge ; New York: Cambridge University Press, 1990.

Butcher, Paul N., and D. Cotter. The Elements of Nonlinear Optics. Cambridge University Press, 1990.