@book{Bruchmann2021,
author = {Bruchmann, Helmut},
year = {2021},
language = {ger},
copyright = {https://creativecommons.org/public-domain/cc0/},
title = {Untersuchungen über Selaginella spinulosa A. Br},
url = "http://dx.doi.org/10.17169/refubium-32021",
}