@misc{Maas_Abraham_Nova,
 author={Maas, Abraham and Ghelen, Johann Peter von (1673–1754)},
 address={[Norimbergae]},
 howpublished={online},
 publisher={Homannowie, Dziedzice},
 language={lat},
 title={Nova Maris Caspii et regionis Usbeck cum provincijs adjacentibus vera delineatio in qua itinera regia et alia notabiliora accurate denotantur per A. Maas},
 keywords={18 w., kartografia, mapy, Morze Kaspijskie, Azja Środkowa},
}