@Book{Blanckenhorn1903,
author  = "Blanckenhorn, Max",
title   = "Neue geologisch-stratigraphische Beobachtungen in Aegypten",
year    = "1903",
address = "München",
series  = "Sitzungsberichte",
volume  = "1902,18",
url     = "https://publikationen.badw.de/en/003388914",
}