@article{Koppelmann+1967+401+405,
url = {https://doi.org/10.1515/mt-1967-091101},
title = {Härtetiefenmessung an Stahlwalzen mit Ultraschall / Ultrasonic measurement of hardening depth on steel rolls / Mesure de la profondeur de trempe en cylindres d’acier par ultrasons},
title = {},
author = {Jan Koppelmann},
pages = {401--405},
volume = {9},
number = {11},
journal = {Materials Testing},
doi = {doi:10.1515/mt-1967-091101},
year = {1967},
lastchecked = {2026-05-04}
}