Koen V. Hindriks Alexander Pokahr Sebastian Sardiña Programming Multi-Agent Systems, 6th International Workshop, ProMAS 2008, Estoril, Portugal, May 13, 2008. Revised Invited and Selected Papers 5442 2009 978-3-642-03277-6 https://doi.org/10.1007/978-3-642-03278-3 https://www.wikidata.org/entity/Q58049092 ProMAS Lecture Notes in Computer Science Springer db/conf/promas/promas2008.html