@Article{249808,
     author = "Marián Halás, Veronika Zuskáčová",
     title = "Travelling to services in the daily urban system of Olomouc ",
     year =  2013,
     volume =  ,
     number =  20,
     journal =  Bulletin of Geography. Socio-Economic Series,
     pages =  s. 23-41,
    }