Kluwer
H.G. Muller , H.G. Muller , M.V. Fedorov

de Jong, F. B., Spreeuw, R. J. C., Muller, H. G., Muller, H. G., & van Linden van den Heuvell, H. B. (1996). Classification of lasers without inversion. In H. G. Muller, H. G. Muller, & M. V. Fedorov (Eds.), Super-Intense Laser-Atom Physics IV : Proceedings of the NATO Advanced Research Workshop on Super-Intense Laser-Atom Physics (SILAP IV), Moscow, Russia, August 5-9, 1995 (pp. 593–603).