@Book{Rehm1921,
author  = "Rehm, Albert",
title   = "Neue Beiträge zur Kenntnis der antiken Wasseruhren",
year    = "1921",
address = "München",
series  = "Sitzungsberichte",
volume  = "1920,17",
url     = "https://publikationen.badw.de/de/003199400",
}