Business Information Systems Workshops BIS 2010 International Workshop, Berlin, Germany, May 3-5, 2010, Revised Papers Abramowicz Witold Heftet / 2010 / Engelsk
Business Information Systems Workshops BIS 2012 International Workshops and Future Internet Symposium, Vilnius, Lithuania, May 21-23, 2012 Revised Papers Abramowicz Witold Heftet / 2012 / Engelsk
Business Information Systems Workshops BIS 2011 International Workshops and BPSC International Conference, Poznań, Poland, June 15-17, 2011, Revised Papers Abramowicz Witold Heftet / 2011 / Engelsk
