Kleinman, David A. (December 1970). "Review of An Introduction to Nonlinear Optics by George C. Baldwin". Physics Today. 23 (12): 54–55. Bibcode:1970PhT....23l..54B. doi:10.1063/1.3021873.
Kleinman, David A. (December 1970). "Review of An Introduction to Nonlinear Optics by George C. Baldwin". Physics Today. 23 (12): 54–55. Bibcode:1970PhT....23l..54B. doi:10.1063/1.3021873.