@article{PismaZhETF.52.799, title = {Identification of the facets of $^4He$ crystals}, author = {Andreeva, O. A. and Keshishev, K. O.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {52}, issue = {3}, pages = {799}, year = {1990}, doi = {}, url = {http://jetpletters.ru/ps/0/article_17464.shtml}, }