Per Year

 @article{tucson-jir98,
    author = {Omicini, Andrea and Zambonelli, Franco},
    dblp = {journals/intr/OmiciniZ98},
    doi = {10.1108/10662249810241266},
    iris = {11585/950378},
    issn = {1066-2243},
    journal = {Internet Research},
    keywords = {Applications software, Co-ordination, Information retrieval, Internet},
    month = dec,
    number = 5,
    pages = {400--413},
    publisher = {MCB University Press},
    scholar = {13083189308379508438},
    scopus = {2-s2.0-0032355650},
    semanticscholar = {44307872},
    title = {Co-ordination of Mobile Information Agents in {{{\sf TuCSoN}}}},
    url = {http://www.emeraldinsight.com/10.1108/10662249810241266},
    urlpdf = {http://www.emeraldinsight.com/doi/pdfplus/10.1108/10662249810241266},
    volume = 8,
    wos = {000077560700004},
    year = 1998
} 

 @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
}