Per anno

 @inproceedings{lprobot-icra94,
    author = {Zanichelli, Francesco and Caselli, Stefano and Natali, Antonio and Omicini, Andrea},
    booktitle = {1994 IEEE International Conference on Robotics and Automation (ICRA'94)},
    dblp = {conf/agp/NataliOZ93},
    doi = {10.1109/ROBOT.1994.351032},
    ieee = {351032},
    iris = {11585/951124},
    isbn = {0-8186-5330-2},
    issn = {1050-4729},
    location = {San Diego, CA, USA},
    month = {8--13}}},
    scopus = {2-s2.0-0028134395},
    title = {A Multi-Agent Framework and Programming Environment for Autonomous Robotics},
    volume = 4,
    wos = {WOS:A1994BA72M00521},
    year = 1994
} 

 @inproceedings{oolp-ecoop94,
    acm = {646152.679515},
    author = {Omicini, Andrea and Natali, Antonio},
    booktitle = {Object-Oriented Programming},
    dblp = {conf/ecoop/OmiciniN94},
    doi = {10.1007/BFb0052184},
    editor = {Tokoro, Mario and Pareschi, Remo},
    isbn = {3-540-58202-9},
    issn = {0302-9743},
    keywords = {Integration of object-oriented and logic paradigms, state configuration, partially configured instances, abduction, meta-level constraints},
    note = {8th European Conference (ECOOP'94), Bologna, Italy, 4--8~} # jul # {~1994. Proceedings},
    pages = {194--212},
    publisher = {Springer-Verlag},
    scopus = {2-s2.0-21344495678},
    series = {Lecture Notes in Computer Science},
    title = {Object-Oriented Computations in Logic Programming},
    url = {http://link.springer.com/chapter/10.1007/BFb0052184},
    volume = 821,
    year = 1994
}