@article {IOPORT.50197783,
    author       = {Zyczkowski, Karol},
    title        = {Citation graph, weighted impact factors and performance indices},
    year         = {2010},
    journal      = {Scientometrics},
    volume       = {85},
    number       = {1},
    pages        = {301-315},
    doi          = {10.1007/s11192-010-0208-6},
    identifier   = {50197783},
}