1. A survey of propulsion options for cargo and piloted missions to Mars;Sankaran,2003
2. Development and Utilization of Nuclear Thermal Propulsion, Report No. MSFC-E-DAA-TN30021;Houts,2016
3. Time for NASA to Go Nuclear?;Dorminey,2012
4. Reduction of uranium oxide U3O8 to UO2 by hydrogen;Pijolat;Solid State Ionics,1997
5. A Historical Review of Cermet Fuel Development and the Engine Performance Implications;Stewart,2015