Ying Huang Yan Gao Klara Nahrstedt Wenbo He Optimizing File Retrieval in Delay-Tolerant Content Distribution Community. 308-316 2009 ICDCS http://dx.doi.org/10.1109/ICDCS.2009.63 conf/icdcs/2009 db/conf/icdcs/icdcs2009.html#HuangGNH09