@article{202103.0636,
	doi = {10.20944/preprints202103.0636.v2},
	url = {https://doi.org/10.20944/preprints202103.0636.v2},
	year = 2021,
	month = {April},
	publisher = {Preprints},
	author = {Robert B. Heimann},
	title = {Silicon Nitride, a Close to Ideal Ceramic Material for Medical Application},
	journal = {Preprints}
}