@article{DAN_1968_179_1_a20,
     author = {N. E. Filonenko and G. M. Zaretskaya and N. M. Kamentseva and L. I. Fel'dgun},
     title = {Etching of crystal faces of cubic boron nitride},
     journal = {Doklady Akademii Nauk},
     pages = {88--89},
     publisher = {mathdoc},
     volume = {179},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_1_a20/}
}