@article{DAN_1977_234_1_a13, author = {Yu. A. Alekseev}, title = {Artificial obtaining of boron nitride and barium chloride twin growth}, journal = {Doklady Akademii Nauk}, pages = {69--71}, publisher = {mathdoc}, volume = {234}, number = {1}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_1_a13/} }