NANDANKAR, P. K. “Assimilative Capacity of the Atmosphere at Gorakhpur With Respect to Air Pollution”. MAUSAM 53, no. 4 (October 1, 2002): 481–486. Accessed April 22, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/1663.