Reference:

M. Nickles. Communication structures of open multiagent systems. PhD thesis, Department of Informatics, Technical University of Munich, 2006.

Suggested BibTeX entry:

@phdthesis{nicphd06,
    author = {M. Nickles},
    school = {Department of Informatics, Technical University of Munich},
    title = {Communication Structures of Open Multiagent Systems},
    year = {2006}
}