TY  - RPRT
TI  - Monitoring Weld Penetration Optically From Within Torch
AU  - Smith, Matthew A.
AU  - Gilbert, Jeffrey L.
AU  - Linsacum, Deron L.
AU  - Gutlow, David A.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19930000528
ID  - 19930000528
ER  -