APA

Kovalev A. V., Ryabchikov S. Y., Isaev E. D. & Ulyanova O. S.Modeling pellet impact drilling process. : .

Chicago

Kovalev A V, Ryabchikov S Ya, Isaev E D and Ulyanova O S.Modeling pellet impact drilling process. : .

Harvard

Kovalev A. V., Ryabchikov S. Y., Isaev E. D. and Ulyanova O. S.Modeling pellet impact drilling process. : .

MLA

Kovalev A V, Ryabchikov S Ya, Isaev E D and Ulyanova O S.: . .