@misc {IOPORT.70833818,
    author       = {Burgett, J. and Hussain, S. and Jonker, Catholijn M. and Razaq, A. and Silz, K.},
    title        = {Mobie: personalized automated recharge of prepaid mobile phones},
    howpublished = {CEEMAS, 54-61 (2001).},
    year         = {2001},
    doi          = {10.1007/3-540-45941-3_6},
    identifier   = {70833818},
}