(1973). Vol. 22, № 4; Applied Physics Letters. 1973.
Cita Chicago (17th ed.)Vol. 22, № 4; Applied Physics Letters. 1973, 1973.
Cita MLA (9th ed.)Vol. 22, № 4; Applied Physics Letters. 1973, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.