@inbook{Kupczyk_2001, title={Using Virtual User Account System for Managing Users Account in Polish National Cluster}, ISBN={9783540482284}, ISSN={0302-9743}, url={http://dx.doi.org/10.1007/3-540-48228-8_66}, DOI={10.1007/3-540-48228-8_66}, booktitle={High-Performance Computing and Networking}, publisher={Springer Berlin Heidelberg}, author={Kupczyk, M. and Lawenda, M. and Meyer, N. and Wolniewicz, P.}, year={2001}, pages={587–590} }