1. Proc. 8th Int. IMEKO TC7 Symp. on Artificial Intelligence Based Measurement and Control, AIMaC'91,1991
2. The role of artificial intelligence in measurement;Zingales,1991
3. Intelligent and knowledge based measurements;Hofmann,1993
4. Representation of symbol systems as an extension of the concept of measurement;Finkelstein;Kybernetes,1975
5. Foundations of symbolic representation systems;Finkelstein,1982