1. Intelligenetics, PC Gene, 5.17, for the IBM PC, 700 E. El Camino Real, Mountain View, California 94040 (1988).
2. PROCOMP, 1.0, for the IBM PC, Biochemistry Department, Purdue University, West Lafayette, Indiana 47907 (1989).
3. GPMA, 4.2A, for the IBM PC, Department of Molecular Biology, Odense University, DK5230 Odense, Denmark (1988).
4. PEPTOP, 3.0, for the IBM PC, Center for Biologics Evaluation and Research, FDA, Bethesda, Maryland (1988).
5. and Proceedings of 37th ASMS Conference on Mass Spectrometry 352 (1989).