Kodaikanal digitized white-light data archive (1921–2011): Analysis of various solar cycle featuresSudip Mandal, Manjunath Hegde, Tanmoy Samanta, Gopal Hazra, Dipankar Banerjee and B. RavindraA&A, 601 (2017) A106DOI: https://doi.org/10.1051/0004-6361/201628651
