@misc{Bartel_Paul_Cracow,
 author={Bartel, Paul},
 copyright={Bartel, Paul},
 address={London},
 howpublished={online},
 publisher={Polish Min. of Inform.},
 publisher={William Hodge & Chilver},
 language={eng},
 type={książka},
 title={Cracow and Vilno},
}