JINDAL, L. C., and S. A. MOID. “A CLIMATOLOGICAL STUDY OF VISIBILITY AND RUNWAY VISUAL RANGE OVER IGI AIRPORT NEW DELHI”. MAUSAM 52, no. 2 (April 1, 2001): 431–433. Accessed December 4, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/1712.