Vineela Muppavarapu Soon Myoung Chung Fine-Grain Access Control Using Shibboleth for the Storage Resource Broker. 41-50 2009 ISA http://dx.doi.org/10.1007/978-3-642-02617-1_5 conf/sersc-isa/2009 db/conf/sersc-isa/isa2009.html#MuppavarapuC09