APA

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

Chicago

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

Harvard

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

MLA

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