@misc {IOPORT.70920319,
    author       = {Nistor, Nicolae and Schustek, Monika},
    title        = {Verifying a quantitative model of communities of practice in a computer users' community},
    howpublished = {EC-TEL, 467-470 (2011).},
    year         = {2011},
    doi          = {10.1007/978-3-642-23985-4_40},
    identifier   = {70920319},
}