@TechReport{coregrid:tr0023,
      AUTHOR = {Kirchev, Lazar and Blyantov, Minko and Georgiev, Vasil and Boyanov, Kiril and Malawski, Maciej and Bubak, Marian and Isaiadis, Stavros and Getov, Vladimir},
      TITLE = {Security Models for Lightweight Grid Architectures},
      YEAR = {2006},
      MONTH = {January},
      NUMBER = {TR-0023},
      INSTITUTION = {Institute on Grid Systems, Tools and Environments, CoreGRID - Network of Excellence},
      URL = {http://www.coregrid.net/mambo/images/stories/TechnicalReports/tr-0023.pdf},
      KEYWORDS = {WP7}
}