Maria Eva Lijding Sape J. Mullender Pierre G. Jansen Promote-IT: An Efficient Real-Time Tertiary-Storage Scheduler. 245-260 2004 MSST http://storageconference.org/nasa/conf2004/Papers/MSST2004-29-Lijding-a.pdf conf/mss/2004 db/conf/mss/msst2004.html#LijdingMJ04