Sven Hartmann Sebastian Link Klaus-Dieter Schewe Reasoning about Functional and Multi-valued Dependencies in the Presence of Lists. 134-154 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2942&spage=134 2004 conf/foiks/2004 FoIKS db/conf/foiks/foiks2004.html#HartmannLS04a