Book (dobyns2011falscher)
Dobyns, J.; Johnson-Shelton, N. & Rometsch, M.
Falscher Engel: Mein Höllentrip als Undercover-Agent bei den Hells Angels
Ullstein Taschenbuch, 2011

Article (montaner2003taxonomy)
Montaner, M.; López, B. & de la Rosa, J. L.
A Taxonomy of Recommender Agents on the Internet
Artificial Intelligence Review, Kluwer Academic Publishers, 2003, 19, 285-330

Inproceedings (yu2003searching)
Yu, B. & Singh, M. P.
Searching social networks
ACM, 2003, 65-72

Inproceedings (MobasheretalCHI2001)
Parent, S.; Mobasher, B. & Lytinen, S.
An Adaptive Agent for Web Exploration Based of Concept Hierarchies
2001

Article (steels98theOrigins)
Steels, L.
The Origins of Ontologies and Communication Conventions in Multi-Agent Systems
Autonomous Agents and Multi-Agent Systems, 1998, 1, 169-194