Per anno

 @incollection{sapereaose-emasI,
    acm = {10.5555/3100666.3100677},
    author = {Molesini, Ambra and Omicini, Andrea and Viroli, Mirko and Zambonelli, Franco},
    booktitle = {Engineering Multi-Agent Systems},
    chapter = 11,
    doi = {10.1007/978-3-642-45343-4_11},
    editor = {Cossentino, Massimo and El Fallah Seghrouchni, Amal and Winikoff, Michael},
    eisbn = {978-3-642-45343-4},
    iris = {11585/256515},
    isbn = {978-3-642-45342-7},
    issn = {0302-9743},
    month = dec,
    note = {1st International Workshop (EMAS 2013), Saint Paul, Minnesota, USA, 6--7~} # may # {~2013, Revised Selected Papers},
    pages = {196--214},
    publisher = {Springer Berlin Heidelberg},
    scopus = {2-s2.0-84893042546},
    series = {Lecture Notes in Computer Science},
    title = {Engineering Pervasive Multiagent Systems in {SAPERE}},
    url = {http://link.springer.com/10.1007/978-3-642-45343-4_11},
    volume = 8245,
    year = 2013
} 

 @inproceedings{sapereaose-emas2013,
    address = {AAMAS 2013, Saint Paul, Minnesota, USA},
    author = {Molesini, Ambra and Omicini, Andrea and Viroli, Mirko and Zambonelli, Franco},
    booktitle = {1st International Workshop ``Engineering Multi-Agent Systems'' (EMAS 2013)},
    editor = {Cossentino, Massimo and El Fallah Seghrouchni, Amal and Winikoff, Michael},
    iris = {11585/134364},
    month = {6--7}}},
    title = {Engineering Pervasive Multiagent Systems in {SAPERE}},
    year = 2013
}