Paliya, Vaidehi S; Stalin, C. S; Kumar, Brijesh; Kumar, Brajesh; Bhatt, V. K; Pandey, S. B; Yadav, K. S(Oxford University Press on behalf of the Royal Astronomical Society, 2013-01-21)
Couto, G. S; Storchi-Bergmann, T; Axon, D. J; Robinson, A; Kharb, P; Riffel, R. A(Oxford University Press on behalf of the Royal Astronomical Society, 2013-11-11)