?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.btitle=Extraktschreiben+aus+dem+Lager+vor+Krakau+vom+4.%2C+6.+und+11.+Augusti&rft.genre=book