Electronic Notes in Theoretical Computer Science
Electronic Notes in Theoretical Computer Science > 1999 > 22 > Complete > 138-155
Electronic Notes in Theoretical Computer Science > 2005 > 130 > Complete > 23-37
Electronic Notes in Theoretical Computer Science > 2006 > 164 > 3 > 65-80
Electronic Notes in Theoretical Computer Science > 2007 > 174 > 8 > 95-108
Electronic Notes in Theoretical Computer Science > 2008 > 220 > 3 > 43-59
Electronic Notes in Theoretical Computer Science > 2008 > 220 > 3 > 23-42