1. Bokde, Neeraj. (2021). Natural Time-Series Analysis and Vedic Hindu Calendar System.
2. Shyam Murti Gupta, Indian Monsoon Cycles Through The Last Twelve Million Years, National Institute of Oceanography, Dona Paula-Goa, 403 004.
3. Vanadeep Kaluvagunta, “Meteorological predictions preserved in the Panchangam versus real-time observations – a case study over Tirupati region – a semi- arid tropical site in India,” in Indian Journal of Science and Technology – April 2012.
4. A.S. Ramanathan, “Weather Science in Ancient India”, Rajasthan Patrika Limited, Jaipur, India.
5. Scofield, Bruce, "A History and Test of Planetary Weather Forecasting" (2010). Open Access Dissertations, 221.