by Mnatsakanov, T.T., Rostovtsev, I.L., Philatov, N.I.
Published in Solid-state electronics (01.06.1987)

by Shnitnikov, A.S., Philatov, N.I.
Published in Solid-state electronics (1991)

by Philatov, N.I., Yakovlev, D.G., Nakropin, B.O.
Published in Solid State Electronics (1993)