[1]
Jagadesan, S. and Subramanian, M.V. 2016. Study on Sunspots, Ozone and earth atmosphere variation at Pudukkottai, Tamilnadu (latitude: 100 23’ and longitude 780 52’). International Journal of Science and Engineering Invention. (Sep. 2016), 205 to 212. DOI:https://doi.org/10.23958/ijsei/vol02-i07/05.