A. V. Kir'yanov, Y. O. Barmenkov, A. N. Starodumov, I. A. Maslyanitsyn, and V. D. Shigorin, "Study of nonlinear optical properties of multilayer Langmuir-Blodgett films of Bacteriorhodopsin,"
in Nonlinear Optics: Materials, Fundamentals and Applications, T. Li, ed.,
Vol. 46 of OSA Trends in Optics and Photonics
(Optical Society of America, 2000), paper ThB28.