R. Kochhar (2002) Madras and Kodaikanal observatories: A brief history. Resonance, 7, 16-28.
http://www.ias.ac.in/resonance/Aug2002/pdf/Aug2002p16-28.pdf
R. Kochhar (2002) Madras and Kodaikanal observatories: A brief history. Resonance, 7, 16-28.
http://www.ias.ac.in/resonance/Aug2002/pdf/Aug2002p16-28.pdf