@article{PismaZhETF.31.651, title = {On the possibility of observing macroscopic properties in a finite crystal that are forbidden by the symmetry point group}, author = {Levanyuk, A. P. and Gladki, V. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {31}, issue = {11}, pages = {651}, year = {1980}, doi = {}, url = {http://jetpletters.ru/ps/0/article_20501.shtml}, }