@inbook{Ratzel+1923+621+626,
url = {https://doi.org/10.1515/9783486749274-016},
title = {Sachregister},
booktitle = {Politische Geographie},
author = {Friedrich Ratzel},
editor = {Eugen Oberhummer},
publisher = {Oldenbourg Wissenschaftsverlag},
address = {Berlin, Boston},
pages = {621--626},
doi = {doi:10.1515/9783486749274-016},
isbn = {9783486749274},
year = {1923},
lastchecked = {2026-05-08}
}