@article{AUCMP_1968_9_2_a1, author = {Pantofl{\'\i}\v{c}ek, J. and \v{S}lechta, J.}, title = {International seminar on elementary excitation processes in crystals}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {3}, year = {1968}, volume = {9}, number = {2}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1968_9_2_a1/} }