{{Cite journal| doi = 10.1007/s00500-009-0408-2| issn = 1432-7643, 1433-7479| volume = 14| issue = 4| pages = 339–344| last1 = De Runz| first1 = Cyril| last2 = Desjardin| first2 = Eric| last3 = Piantoni| first3 = Frédéric| last4 = Herbin| first4 = Michel| title = Anteriority index for managing fuzzy dates in archæological GIS| journal = Soft Computing| access-date = 2012-07-11| date = 2010| url = http://www.springerlink.com/index/10.1007/s00500-009-0408-2}}