- Apt, Krzysztof R., 1949- (6)
- Association for Logic Programming (1)
- IFIP Working Group 2.2 (1)
- International Conference on Logic Programming (1)
- NATO Advanced Study Institute on Logics and Models of Concurrent Systems (1)
- Neuhold, Erich J., 1940- (1)
- North Atlantic Treaty Organization. Scientific Affairs Division (1)
- Olderog, E.-R. (1)
- Paul, Manfred, 1932- (1)
- Turini, Franco, 1949- (1)