Miroslaw Czyrnek Filip Koczorowski Michal Kosiedowski Cezary Mazurek Piotr Pawalowski Wojciech Pieklik Maciej Stroinski Jan Weglarz Marcin Werla Services for Education in the Metropolitan Research and Education Network. 97-103 2009 CSEDU (1) conf/csedu/2009-1 db/conf/csedu/csedu2009-1.html#CzyrnekKKMPPSWW09