@Article{187624,
     author = "Adam Łukaszewicz",
     title = "P. Berol. 13981 : a document from Soknopaiou Nesos ",
     year =  1991,
     volume =  21,
     number =  ,
     journal =  The Journal of Juristic Papyrology,
     pages =  s. 71-73,
    }