Khovanov homology of links in I-bundles over surfaces
  The papers math.QA/0403527 and math.QA/0409414 v.1 are now merged together. The final version is available at math.QA/0409414 v.2. To avoid duplication of papers, math.QA/0403527 is now removed. 
Marta M. Asaeda, Jozef H. Przytycki, Adam S. Sikora