@Article{300215,
     author = "Björn E. Berglund, Mervi Hjelmroos-Ericsson, Bożena Bogaczewicz-Adamczak, Grażyna Miotk",
     title = "The human impact in Bory Tucholskie, north Poland : a Polish-Swedish palaeoecological research Project ",
     year =  1990,
     volume =  13,
     number =  ,
     journal =  Acta Universitatis Lodziensis. Folia Archaeologica,
     pages =  s. 1, 3-11,
    }