@TechReport{coregrid:tr0012,
      AUTHOR = {Matyska, Luděk and Ruda, Miroslav and Denemark, Jiri and Meyer, Norbert and Wolniewicz, Pawel and Jankowski, Michal},
      TITLE = {User Management for Virtual Organizations},
      YEAR = {2005},
      MONTH = {November},
      NUMBER = {TR-0012},
      INSTITUTION = {Institute on Grid Information and Monitoring Services, CoreGRID - Network of Excellence},
      URL = {http://www.coregrid.net/mambo/images/stories/TechnicalReports/tr-0012.pdf},
      KEYWORDS = {WP5}
}