@Book{Reber1898,
author  = "Reber, Franz von",
title   = "Die phrygischen Felsendenkmäler. Untersuchungen über Stil und Entstehungszeit",
year    = "1898",
address = "München",
series  = "Abhandlungen",
volume  = "21,8",
url     = "https://publikationen.badw.de/en/003192641",
}