@article{AUCMP_1973__14_1_a5,
     author = {Levy, R. and Grun, J. B.},
     title = {Optical properties of highly excited crystals},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {49--72},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1973},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1973__14_1_a5/}
}