APA

Shchanin P. M., Koval N. N., Goncharenko I. M. & Grigor'ev S. V.Structural steels nitriding in low-pressure gas discharge. : .

Chicago

Shchanin P M, Koval N N, Goncharenko I M and Grigor'ev S V.Structural steels nitriding in low-pressure gas discharge. : .

Harvard

Shchanin P. M., Koval N. N., Goncharenko I. M. and Grigor'ev S. V.Structural steels nitriding in low-pressure gas discharge. : .

MLA

Shchanin P M, Koval N N, Goncharenko I M and Grigor'ev S V.: . .