@misc{indiciae16edccc53b9a, title = {Materials and Processes for New Propulsion Systems with Reduced Environmental Impact}, author = {Grady, Joseph and Robinson, Raymond and Roberts, Gary and Miller, Sandi and Halbig, Michael and Pereira, Joseph and Ruggeri, Charles and Kohlman, Lee}, year = {2019}, url = {https://ntrs.nasa.gov/citations/20190031760}, note = {Source identifier: 20190031760} }