APA

Nechaev D. A., Dubinsky D. G., Kovalev A. V. & Terre D. A.Pellet impact drilling development: prospects and trends. : .

Chicago

Nechaev D A, Dubinsky D G, Kovalev A V and Terre D A.Pellet impact drilling development: prospects and trends. : .

Harvard

Nechaev D. A., Dubinsky D. G., Kovalev A. V. and Terre D. A.Pellet impact drilling development: prospects and trends. : .

MLA

Nechaev D A, Dubinsky D G, Kovalev A V and Terre D A.: . .