- Author: T M R Ellis, Magyar Tudományos Akadémia. Számitástechnikai és Automatizálási Kutatóintézet., International Federation of Automatic Control. Technical Committee on Manufacturing Technology., International Federation for Information Processing. Working Group 5.3
- Language: English
- Year: 1981
- Author: Manuel J Mendes, Reima Suomi, Carlos Passos, International Federation for Information Processing
- Language: English
- Year: 2004