@article{DAN_1970_191_2_a17,
     author = {V. A. Bochko and Yu. L. Orlov},
     title = {Density variations in different kinds of natural diamonds},
     journal = {Doklady Akademii Nauk},
     pages = {341--344},
     year = {1970},
     volume = {191},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_2_a17/}
}