Nebent. 4.1980: Proceedings of the ... IFAC conference
Nebent. 4.1980: International IFAC Conference on Instrumentation and Automation in the Paper, Rubber, Plastics and Polymerisation Industries
Nebent. 4.1980: PRP conference
Nebent. 5.1980: International IFAC IMEKO Conference on Instrumentation and Automation in the Paper, Rubber, Plastics and Polymerisation Industries
Nebent. 5.1980: PRP conference