Dong Yang Yu-xiang Zhang Hongke Zhang Tin Yu Wu Han-Chieh Chao Multi-factors oriented study of P2P Churn. 1089-1103 2009 22 Int. J. Communication Systems 9 http://dx.doi.org/10.1002/dac.1001 db/journals/ijcomsys/ijcomsys22.html#YangZZWC09