TY  - RPRT
TI  - Materials and Processes for New Propulsion Systems with Reduced Environmental Impact
AU  - Grady, Joseph
AU  - Robinson, Raymond
AU  - Roberts, Gary
AU  - Miller, Sandi
AU  - Halbig, Michael
AU  - Pereira, Joseph
AU  - Ruggeri, Charles
AU  - Kohlman, Lee
PY  - 2019
UR  - https://ntrs.nasa.gov/citations/20190031760
ID  - 20190031760
ER  -