PATHAK , RB, and HN SRIVASTAVA. “Models of Atmospheric Refractive Index With Reference to Coastal Stations of India”. MAUSAM 21, no. 2 (April 1, 1970): 273–278. Accessed December 8, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5386.