?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.btitle=Relation+von+der+Blockade+und+Belagerung+der+Stadt+Posen+von+medio+Septembris+bis+zum+3.+Novembris+1704&rft.genre=book