1
by Tuttle, David F.
Published 1977
2
by Desoer, Charles A.
Published 1969
3
by Papoulis, Athanasios, 1921-
Published 1980
4
by Tomlinson, G. H.
Published 1991
5
by Belove, Charles.
Published 1976
6
by Ridsdale, R. E.
Published 1976
7
by Reeves, E. A.
Published 1992
8
by Bobrow, Leonard S.
Published 1981
9
by Green,Derek Charles.
Published 1997