Frisch, H; Anusha, L. S; Bianda, M; Holzreuter, R; Nagendra, K. N; Ramelli, R; Sampoorna, M; Smitha, H. N; Stenflo, J. O(Cambridge University Press, 2012-06)
Supriya, H. D; Smitha, H. N; Nagendra, K. N; Ravindra, B; Sampoorna, M(Oxford University Press on behalf of the Royal Astronomical Society, 2013-02-11)