TY  - RPRT
TI  - Refill Friction Stir Spot Welding as an Alternative Joining Method for Wing Spar Structures
AU  - Ruth Belnap
AU  - Paul Blackhurst
AU  - Yuri Hovanski
AU  - Andrew Curtis
AU  - Josef Cobb
AU  - Heath Misak
UR  - https://ntrs.nasa.gov/citations/20220015997
ID  - 20220015997
ER  -