Per anno

 @inproceedings{respect-sac98,
    acm = {330665},
    author = {Denti, Enrico and Natali, Antonio and Omicini, Andrea},
    booktitle = {1998 ACM Symposium on Applied Computing (SAC'98)},
    dblp = {conf/sac/DentiNO98},
    doi = {10.1145/330560.330665},
    isbn = {0-89791-969-6},
    location = {Atlanta, GA, USA},
    month = {27}}},
    pages = {169--177},
    publisher = {ACM},
    scopus = {2-s2.0-85002410745},
    title = {On the Expressive Power of a Language for Programming Coordination Media},
    url = {http://dl.acm.org/citation.cfm?id=330665},
    urlpdf = {http://delivery.acm.org/10.1145/340000/330665/p169-denti.pdf},
    year = 1998
} 

 @inproceedings{tucson-aiia98,
    address = {Padova, Italy},
    author = {Omicini, Andrea and Zambonelli, Franco},
    booktitle = {6th Convention of the Italian Association for Artificial Intelligence (AI*IA'98)},
    editor = {Badaloni, Silvano and Minnaja, Carlo},
    month = {23--25 } # sep,
    note = {AI*IA'98 Workshop on Knowledge Integration},
    pages = {94--98},
    publisher = {Edizioni Progetto Padova},
    title = {Coordination of Mobile Agents for Information Systems: the {{\sf TuCSoN}} Model},
    year = 1998
} 

 @inproceedings{tucson-iiis98,
    address = {Pisa, Italy},
    author = {Omicini, Andrea and Zambonelli, Franco},
    booktitle = {1st International Workshop on Innovative Internet Information Systems (IIIS'98)},
    editor = {Schwartz, David G. and Divitini, Monica and Brasethvik, Terje},
    howpublished = {Technical Report IDI-TR-5/98},
    issn = {0802-6394},
    month = {8--9}}},
    title = {{{{\sf TuCSoN}}}: a Coordination model for Mobile Information Agents},
    year = 1998
}