Jarle Hulaas Walter Binder Giovanna Di Marzo Serugendo Enhancing Java Grid Computing Security with Resource Control. 30-47 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3270&spage=30 2004 conf/gsem/2004 GSEM db/conf/gsem/gsem2004.html#HulaasBS04