Media type: E-Article Title: Grid and Cooperative Computing: A Security Policy Implementation Model in Computational GRID Contributor: Li, Feng; Luo, Junzhou imprint: Springer Berlin Heidelberg, 2004 Published in: Grid and Cooperative Computing Language: Not determined DOI: 10.1007/978-3-540-24679-4_171 ISSN: 0302-9743; 1611-3349 Origination: Footnote: