| Reference |
W.E. van der Veer, R.J.J. van Diest and H.B. van Linden van den Heuvell: Amplification without inversion demonstrated with a coherently pumped L system in Cd-112 In: Laser Spectroscopy : XIth International Conference, Hot Springs, VA June 1993 /ed. L. Bloomfield, T.F. Gallagher and D. Larson, American Institute of Physics, 1994. - pp. 273-278 |
