@Article{39922,
     author = "Petra M. Sijpesteijn",
     title = "Profit following responsibility. A leaf from the records of a third/ninth century tax-collecting agent : with an appended checklist of editions of Arabic papyri ",
     year =  2001,
     volume =  31,
     number =  ,
     journal =  The Journal of Juristic Papyrology,
     pages =  s. 2, 91-132,
    }