Reference:

M. Nickles, F. Fischer, and G. Weiß. Communication attitudes: A formal approach to ostensible intentions, and individual and group opinions. In Wiebe van der Hoek and Mike Wooldridge, editors, Proceedings of the Third International Workshop on Logic and Communication in Multiagent Systems (LCMAS 2005), 2005.

Suggested BibTeX entry:

@inproceedings{nfw05a,
    author = {M. Nickles and F. Fischer and G. Wei{\ss}},
    booktitle = {Proceedings of the Third International Workshop on Logic and Communication in Multiagent Systems ({LCMAS} 2005)},
    editor = {Wiebe van der Hoek and Mike Wooldridge},
    title = {Communication Attitudes: A Formal Approach to Ostensible Intentions, and Individual and Group Opinions},
    year = {2005}
}