Arias، Francisco. J (2016). "On the Use of a Pulsed Nuclear Thermal Rocket for Interplanetary Travel". 52nd AIAA/SAE/ASEE Joint Propulsion Conference Salt Lake City, UT, Propulsion and Energy, (AIAA 2016-4685). DOI:10.2514/6.2016-4685.
Fultyn, R. V. (June 1968). "Environmental Effects of the Kiwi-TNT Effluent: A Review and Evaluation" (PDF). LA Reports: U.S. Atomic Energy Commission. Los Alamos: 1–67. PMID 5695558. LA-3449. (Pages 35-36 contain the cited material.)