@Article{307408,
     author = "Piotr Śniady, Piotr Wawrzyniak, Edward Krause",
     title = "Poręba, st. 3, gm. Jaraczewo, woj. kaliskie ",
     year =  1991,
     volume =  25,
     number =  ,
     journal =  Informator Archeologiczny : badania,
     pages =  s. 57,
    }