- NATO Advanced Study Institute (3)
- North Atlantic Treaty Organization (3)
- Ausloos, Pierre J., 1928- (1)
- Hammer, P. L., 1936- (1)
- Mitra, Shashanka Shekhar, 1933- (1)
- Nudelman, Sol, 1922- (1)
- Robin, Melvin B. (1)
- Royal Society of Canada (1)
- Sandorfy, Camille (1)
- Zoutendijk, G. (1)