TY  - RPRT
TI  - Closed-Loop Control System for Friction Stir Welding Retractable Pin Tool
AU  - Ding, R. Jeffrey
AU  - Romine, Peter L.
AU  - Munafo, Paul M.
PY  - 2001
UR  - https://ntrs.nasa.gov/citations/20010084735
ID  - 20010084735
ER  -