Per anno

@article{2p-alpnews2013,
    apice = {2PAlpnews2013},
    author = {Denti, Enrico and Omicini, Andrea and Calegari, Roberta},
    iris = {11585/230475},
    journal = {ALP Newsletter},
    lens = {064-393-486-149-288},
    month = oct,
    openalex = {W2898647777},
    publisher = {Association for Logic Programming},
    title = {{{\sf tu}Prolog}: Making {P}rolog Ubiquitous},
    url = {http://www.cs.nmsu.edu/ALP/2013/10/tuprolog-making-prolog-ubiquitous/},
    year = 2013
}