TY - BOOK AU - Esik,Zoltan ED - CSL TI - Computer science logic: 20th international workshop, CSL 2006, 15th Annual Conference of the EACSL, Karpacz, Poland, September 25-29, 2006 : proceedings SN - 3540454586 PY - 2006/// CY - Berlin PB - Springer KW - Computer logic KW - Congresses ER -