APA

Arefyev (Afef'ev A. K. P., Prokop'ev E. P. & Aref'ev V. P.Positron states on surface and in defective surface layers of semiconductors. : .

Chicago

Arefyev (Afef'ev Arefiev) K P, Prokop'ev E P and Aref'ev V P.Positron states on surface and in defective surface layers of semiconductors. : .

Harvard

Arefyev (Afef'ev A. K. P., Prokop'ev E. P. and Aref'ev V. P.Positron states on surface and in defective surface layers of semiconductors. : .

MLA

Arefyev (Afef'ev Arefiev) K P, Prokop'ev E P and Aref'ev V P.: . .