Nazareno Andrade Miranda Mowbray Aliandro Lima Gustavo Wagner Matei Ripeanu Influences on cooperation in BitTorrent communities. 111-115 2005 P2PECON@SIGCOMM https://doi.org/10.1145/1080192.1080198 conf/sigcomm/2005p2pecon db/conf/sigcomm/p2pecon2005.html#AndradeMLWR05