1. L. Allen, J.H. Eberly, Optical resonance and two-level atoms (Wiley, New York, 1975)
2. B.W. Shore, The theory of coherent atomic excitation (Wiley, New York, 1990)
3. P. Lambropoulos, D. Petrosyan, Fundamentals of quantum optics and quantum information, Springer, Vol. 23 (2007)
4. N.V. Vitanov, M. Fleischhauer, B.W. Shore, K. Bergmann, Adv. At. Mol. Opt. Phys. 46, 55 (2001). https://doi.org/10.1016/S1049-250X(01)80063-X
5. K. Bergmann, N.V. Vitanov, B.W. Shore, J. Chem. Phys. 142, 170901 (2015). https://doi.org/10.1063/1.4916903