SIRCAR, N. C. RAI, and K. P. VARGHESE. “A Study of High Level Clear Air Turbulence Reports Received from Aircraft”. MAUSAM 14, no. 4 (October 1, 1963): 433–440. Accessed March 21, 2025. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5492.