A. V. Burtsev, V. F. Efimkov, I. G. Zubarev, S. I. Mikhailov, Y. V. Senatsky, L. P. Feoktistov, and O. V. Kuzmin, "Ytterbium garnet laser with flashlamps and laser pumping,"
in Conference on Lasers and Electro-Optics, D. Killinger, G. Valley, C. Chang-Hasnain, and W. Knox, eds.,
Vol. 11 of OSA Technical Digest
(Optical Society of America, 1997), paper CThL56.