@article{Klein+2018+214+215,
url = {https://doi.org/10.3790/hpb.66.2.214},
title = {Ernst Haeckel: Ausgewählte Briefwechsel},
title = {},
author = {Klaus Klein},
pages = {214--215},
volume = {66},
number = {2},
journal = {Das Historisch-Politische Buch (HPB)},
doi = {doi:10.3790/hpb.66.2.214},
year = {2018},
lastchecked = {2018-06-01}
}