Chemistry.
Department of Chemistry,
College of Arts and Sciences,
East Tennessee State University,
P. O. Box 70695,
Johnson City, TN 37614-1710, U.S.A.
Biochemistry.
Department of Biological Sciences,
College of Arts and Sciences,
East Tennessee State University,
D.M. Brown Hall, Room 125,
PO Box 70703, Johnson City,
TN 37614-1710, U.S.A.