Anmerkungen:
Aus: Klaus-Dieter Lehmann (Hrsg.): The application of micro-computers in information, documentation and libraries: proceedings of the 2. International Conference on the Application of Micro-Computers in Information, Documentation and Libraries, Baden-Baden, .... Amsterdam: North-Holland, 1987, S. 100-105. - Elektronischer Sonderdruck: Freiburg i. Br., Univ., 2008