@book{Schaldach2021,
author = {Schaldach, Karlheinz},
year = {2021},
language = {ger},
copyright = {https://creativecommons.org/licenses/by-nc/4.0/deed.de},
title = {Die antiken Sonnenuhren Griechenlands},
url = "http://dx.doi.org/10.17169/refubium-28777",
}