Per anno

 @incollection{tucson-ciaV,
    acm = {735704},
    author = {Ricci, Alessandro and Denti, Enrico and Omicini, Andrea},
    booktitle = {Cooperative Information Agents {V}},
    doi = {10.1007/3-540-44799-7_26},
    editor = {Klusch, Matthias and Zambonelli, Franco},
    eissn = {1611-3349},
    iris = {11585/951310},
    isbn = {978-3-540-42545-8},
    isbn10 = {3-540-42545-4},
    issn = {0302-9743},
    note = {5th International Workshop (CIA 2001), Modena, Italy, 6--8~} # sep # {~2001. Proceedings},
    pages = {235--246},
    publisher = {Springer},
    scopus = {2-s2.0-58149108068},
    series = {Lecture Notes in Computer Science},
    subseries = {Lecture Notes in Artificial Intelligence},
    title = {Agent Coordination Infrastructures for Virtual Enterprises and Workflow Management},
    url = {http://link.springer.com/10.1007/3-540-44799-7_26},
    volume = 2182,
    wos = {WOS:000180978200026},
    year = 2001
} 

 @inproceedings{tucson-wetice2001,
    acm = {715790},
    author = {Ricci, Alessandro and Omicini, Andrea and Denti, Enrico},
    booktitle = {IEEE 10th International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises (WET~ICE 2001)},
    doi = {10.1109/ENABL.2001.953442},
    ieee = {953442},
    isbn = {0-7695-1269-0},
    issn = {1080-1383},
    location = {3rd International Workshop ``Web-based Infrastructures and Coordination Architectures for Collaborative Enterprises'', MIT, Cambridge, MA, USA},
    month = {20--22 } # jun,
    note = {Proceedings},
    pages = {348--353},
    publisher = {IEEE CS},
    scopus = {2-s2.0-79956102175},
    title = {The {{\sf TuCSoN}} Coordination Infrastructure for {V}irtual {E}nterprises},
    url = {https://ieeexplore.ieee.org/document/953442},
    urlpdf = {https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=953442},
    wos = {000172786100065},
    year = 2001
}