@misc{_Maros-Vasarhely,
 howpublished={online},
 publisher={K. u k. militär-geographisches Institut},
 language={ger},
 type={mapa},
 title={Maros-Vasarhely : Zone 19 Col. XXXI},
 keywords={kartografia, Kaiserlich-Königliches Militär-Geographisches Institut, mapy 20 w., Austro-Węgry},
}