1. Bressers J, Roth M, Fenske E and Tambuyser P, Project CCR 2, COST 50 Round II. Final Report.
2. Franklin C J and Martens H J, Project CH4, COST 50 Round II. Final report, Feb 1981.
3. Witt A, König R and Eckard C, Project D8, COST 50 Round II. Final Report.
4. Borchert B, König G and Schmid H, Project D14, COST 50 Round II. Final Report, May 1981.
5. Massarelli L, Ranucci D and Picco E, Project I 1, COST 50 Round II. Final report, Oct 1980.