@article {IOPORT.50152456,
    author       = {Duminuco, Alessandro and Biersack, Ernst W.},
    title        = {Hierarchical codes: A flexible trade-off for erasure codes in peer-to-peer storage systems},
    year         = {2010},
    journal      = {Peer-to-Peer Networking and Applications},
    volume       = {3},
    number       = {1},
    pages        = {52-66},
    doi          = {10.1007/s12083-009-0044-8},
    identifier   = {50152456},
}