Unique numbering and cataloging of molecular structures. - James B. Hendrickson; A. Glenn Toczko (J. Chem. Inf. Comput. Sci., 1983)

Condensed structure identification and ring perception. - James B. Hendrickson; David L. Grier; A. Glenn Toczko (J. Chem. Inf. Comput. Sci., 1984)

Molecular complexity: a simplified formula adapted to individual atoms. - James B. Hendrickson; Ping Huang; A. Glenn Toczko (J. Chem. Inf. Comput. Sci., 1987)

SYNGEN program for synthesis design: basic computing techniques. - James B. Hendrickson; A. Glenn Toczko (J. Chem. Inf. Comput. Sci., 1989)