@article{PismaZhETF.49.661, title = {Anisotropy of growth coefficient and surface harndess of the $^4He$ crystals}, author = {Andreeva, O. A. and Keshishev, K. O. and Osip'yan, S. Yu.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {49}, issue = {12}, pages = {661}, year = {1989}, doi = {}, url = {http://jetpletters.ru/ps/0/article_17015.shtml}, }