TY - GENERIC DO - 10.20944/preprints202103.0636.v2 UR - http://dx.doi.org/10.20944/preprints202103.0636.v2 TI - Silicon Nitride, a Close to Ideal Ceramic Material for Medical Application T2 - Preprints AU - Heimann, Robert B. PY - 2021 DA - 2021/04/15 PB - Preprints