Singh, A.P.; Kumar, Niraj; Singh, B. (2006), "Nature of the crust along Kuppam–Palani geotransect (South India) from Gravity studies: Implications for Precambrian continental collision and delamination", Gondwana Research, 10 (1–2): 41–47, Bibcode:2006GondR..10...41S, doi:10.1016/j.gr.2005.11.013
Singh, A.P.; Kumar, Niraj; Singh, B. (2006), "Nature of the crust along Kuppam–Palani geotransect (South India) from Gravity studies: Implications for Precambrian continental collision and delamination", Gondwana Research, 10 (1–2): 41–47, Bibcode:2006GondR..10...41S, doi:10.1016/j.gr.2005.11.013