1. and Amer. chem. Soc. Meeting, Philadelphia, Pa., April 1964.
2. and ADI Annual Meeting 1963, Short Papers, Part 2, p. 143; Scientific Report No. ISR-6 to The National Science Foundation, Harvard University, April 1964.
3. Zur Mechanisierung der Dokumentation in der Chemie
4. Mechanization of Chemical Documentation