@book{Berger+1884,
url = {https://doi.org/10.1515/9783112332542},
title = {Das Schachproblem und dessen Kunstgerechte Darstellung},
title = {Ein Leitfaden für Problemfreunde},
author = {J. Berger},
publisher = {De Gruyter},
address = {Berlin, Boston},
doi = {doi:10.1515/9783112332542},
isbn = {9783112332542},
year = {1884},
lastchecked = {2026-05-05}
}