Wilkinson, John (26 October 2010). "Geological History of the Moon". The Moon in Close-up. Patrick Moore's Practical Astronomy Series. Springer Berlin Heidelberg. pp. 69–104. doi:10.1007/978-3-642-14805-7_3. ISBN978-3-642-14804-0.
nasa.gov
nssdc.gsfc.nasa.gov
"Luna 1". NSSDCA Master Catalog Search. NASA. 28 October 2022. Retrieved 30 May 2023.
"Luna 3". NASA Space Science Data Coordinated Archive. NASA. n.d. Retrieved 28 October 2021.