1
by Schick, William.
Published 1972
2
by Kreitzberg, Charles B.
Published 1982
3
by Kreitzberg, Charles B.
Published 1975
4
by Chirlian, Paul M.
Published 1981
5
by Dyck, V. A.
Published 1979
6
by Bent, Robert J.,, 1934-.
Published 1981