TY  - RPRT
TI  - Proof testing of hot pressed silicon nitride 
AU  - Wiederhorn, S M
AU  - Tighe, N J
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-1400
DO  - 10.6028/NBS.IR.77-1400
ER  -