YACOB, A. “Diurnal Variation of Atmospheric Electric Potential Gradient at Colaba (Bombay) Examined for the Universal Component and Relationship With Meteorological Elements”. MAUSAM 13, no. 4 (October 1, 1962): 459–467. Accessed September 20, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/4386.