“The Morphology of Great Geomagnetic Storms Recorded at Alibag for the Period 1905 to 1945 : Part 11- The Disturbance Local Time Inequality, DS and the Disturbance Daily Variation, SD”. MAUSAM, vol. 17, no. 2, Apr. 1966, pp. 187-98, https://doi.org/10.54302/mausam.v17i2.5815.