YACOB, A. “On Solar Zenith Angle Dependence of Annual Component Quiet-Day Range in H at Alibag”. MAUSAM 21, no. 3 (July 1, 1970): 489–494. Accessed February 18, 2025. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5415.