Information and ComputationVolume 204, Issue 10, October 2006, Pages 1411-1412EditorialSpecial issue on combining logical systemsAuthor links open overlay panelAlessandro Armando, Christophe RingeissenShow moreShareCitehttps://doi.org/10.1016/j.ic.2006.04.005Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 2006 Elsevier Inc. All rights reserved.