Uthayan Thurairajah. Discovery of Threshold Visibility Limit (TVL) Using the Number of Photons Intruding into the Human Eye and Possible Application to Outdoor Lighting. FRAPS-V7 [Internet]. 2023 Jul. 3 [cited 2026 Jun. 4];:82-102. Available from: https://stm.bookpi.org/FRAPS-V7/article/view/11120