1. West J, Westra D, Richardson BR, Tucker PK (2014) Designing liquid rocket engine injectors for performance, stability, and cost. In: Conference paper. NASA Marshall Space Flight Centre, 16 Nov 2014, 13 p. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150002585.pdf
2. Sutton GP, Biblarz O (2001) Rocket propulsion elements. 7th edn, Wiley, New York. ISBN 0-471-32642-9
3. NASA (2015) Space Travel, NASA Tests Methane-Powered Engine Components for Next Generation Landers. Marshall Space Flight Centre, 28 Oct 2015. https://www.nasa.gov/sites/default/files/thumbnails/image/img_3190.jpg
4. Tomazic WA, Bartoo ER, Rollbuhler RJ (1960) Experiments with hydrogen and oxygen in regenerative engines at chamber pressures from 100 to 300 pounds per square inch absolute. NASA TM X-253, 1st Apr 1960, 37 p. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19660024054.pdf
5. Huzel DK, Huang DH (1967) Design of liquid propellant rocket engines. NASA SP-125, NASA. 2nd edn Washington, D.C., 472 p. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19710019929.pdf