1. Marylebone Cricket Club, Laws of cricket, laws 2, 4, and 12. Available at: https://www.lords.org/mcc/the-laws-of-cricket.
2. Cricket Australia, CA Regulation 6: Day/Night Test Matches. Available at: https://www.cricketaustralia.com.au/cricket/rules-and-regulations.
3. Optics of the atmosphere: scattering by molecules and particles;McCartney,1976
4. Pink cricket balls may be visually challenging at sunset;Adie;I-Percept,2017
5. Kookaburra. Product information. Available at: https://www.kookaburra.biz/en-gb/cricket/community/blog/cricket-balls/.