@misc{Leciejewski_Jan_Ul_1918,
 author={Leciejewski, Jan},
 volume={R. 1},
 number={12},
 copyright={Public Domain},
 address={Lwów},
 journal={Pasiecznik Wzorowy},
 howpublished={online},
 year={1918},
 publisher={Polskie Towarzystwo Pszczelarskie},
 language={pol},
 type={Text},
 title={Ul wielkoposki [rycina]},
 URL={http://rcin.org.pl/Content/79243/PDF/WA058_91903_P4390_Ul-wielkop-ryc.pdf},
 keywords={beehives - desing and construction, beehive - Poland - 1900-1945 - engineering drawings},
}