@article{article,
title = {Zur Biegsamkeit der Gesteine},
author = {Gillman, F.},
year = {1912},
journal = {International Journal of Earth Sciences},
volume = {3},
number = {3},
pages = {169-171},
howpublished = "\url{https://eurekamag.com/research/060/608/060608353.php}"
}