Michael Sonntag: Intelligent Agents –
Inevitable Tools for Teleworkers [PDF]
Online Collaboration Berlin. Second International Conference on Teleworking,
Knowledge Management and Electronic Commerce. Bonn: I. W. H. 1998, 32ff
Michael Sonntag, Rudolf Hörmanseder: Mobile Agent
Security Based on Payment. [PDF]
ACM Operating Systems Review, New York: October 2000, 48-55 (Vol. 34, No.4)