1. https://www.isro.gov.in/gslv-f10-chandrayaan-2-mission
2. Apollo News Reference on Lunar Module: https://www.hq.nasa.gov/alsj/LM04_Lunar_Module_ppLV1-17.pdf
3. Rogers, William F. “Apollo experiance report lunar module landing gear”, NASA Technical Note, NASA TN D-6850, June 1972.
4. Analysis and design of lunar landing gear;samel,2015
5. Design and simulation of lunar soft lander;Krishnan;International journal of control theory and Applications Serials Publications,2016