@misc{Flek_G._Rys._Karta_1909,
 author={Flek, G. Rys. and Valinskij and Kržeminskij},
 copyright={Public Domain},
 address={Petrokov (Piotrków Trybunalski)},
 address={(Varšava)},
 howpublished={online},
 year={1909},
 publisher={izdana Knižnym magazinem Zosifa Zradzinskago},
 publisher={(Lit. Ŭ. Flek)},
 language={rus},
 title={Karta petrokovskago uezda petrokovskoj gubernii sostovlena soglasno novejšim dannym},
 keywords={political-administrative maps, transport maps, Piotrków Trybunalski region, 20th century},
}