@misc{Walczak_Stanisław_Edward,
 author={Walczak, Stanisław},
 copyright={Association of Polish Surveyors},
 howpublished={online},
 publisher={Museum of Technology},
 language={pol},
 type={book},
 title={Edward Warchałowski : uczony, pedagog, działacz},
 keywords={cartography, geodesy, surveying, biographies},
}