@article{AUCMP_1968_9_2_a4, author = {Czarnecki, Stefan}, title = {Revue of experiments with multiple photon transitions in organic crystals}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {29--43}, year = {1968}, volume = {9}, number = {2}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1968_9_2_a4/} }