1. Adams, J.A. and Gasparini, P., 1970. Gamma-ray spectrometry of rocks. Amsterdam, Elsevier. 295 pp.
2. Aswathanarayana, U., 1964. Origin of the heavy mineral beach sand deposits of the SW coast of India. In: Subramanian, A.V. and Balakrishna, S. (Ed.), Advancing Frontiers of Geology and Geophysics. Hyderabad, Indian Geophysical Union. 481–489.
3. Baba, M., Kurian, N.P., Thomas, K.V., Hameed, T.S.S., Kumar, M.P. and Harish, C.M., 1983a. Study of the waves and their refraction in relation to beach erosion along the Kerala coast (1980). Centre for Earth Science Studies, Trivandrum Technical Report Number 29-83, 28 pp.
4. Baba, M., Kurian, N.P., Thomas, K.V., Hameed, T.S.S., Kumar, M.P. and Harish, C.M., 1983b. Study of the waves and their refraction in relation to beach erosion along the Kerala coast (1981). Centre for Earth Science Studies, Trivandrum Technical Report Number 31-83, 21 pp.
5. Gillson, J.L., 1959. Sand deposits of titanium minerals.Mining Engineering 2:421–429.