@Article{387358,
     author = "Agnieszka Błaszczyk-Szabat",
     title = "The role of markedness in the acquisition of aspectual features of Polish as a foreign language",
     year =  2010,
     volume =  6,
     number =  ,
     journal =  Zeszyty Naukowe Państwowej Wyższej Szkoły Zawodowej im. Witelona w Legnicy,
     pages =  s. 7-22,
    }