Per Year

 @article{simas-applsci9,
    author = {Botti, Vicent and Omicini, Andrea and Mariani, Stefano and Julian, Vicente},
    editor = {Botti, Vicent and Omicini, Andrea and Mariani, Stefano and Julian, Vicente},
    journal = {Applied Sciences},
    number = 5,
    publisher = {MDPI},
    title = {Special Issue ``{M}ulti-{A}gent {S}ystems''},
    url = {https://www.mdpi.com/journal/applsci/special_issues/Multi-Agent_Systems},
    volume = 9,
    year = 2019
}