[1] D. D. Sarma, “A Statistical Appraisal of Ore Valuation. (With Application to Kolar Gold Fields),” Andhra University Press, Waltair, Series No. 157, 1979.
[2] D. D. Sarma, “Stochastic Modeling of Gold Mineralisation in the Champion Lode System of Kolar Gold Fields (India),” Mathematical Geology, Vol. 22, No. 3, 1990, pp. 261-279. doi:10.1007/BF00889889
[3] D. D. Sarma, “Geostatistics with Applications in Earth Sciences,” 2nd Edition, Capital Publishing Company, New Delhi, 2009. doi:10.1007/978-1-4020-9380-7
[4] D. D. Sarma and G. S. Koch, “A Statistical Analysis of Exploration Geochemical Data for Uranium,” Mathematical Geology, Vol. 12, No. 2. 1980, pp. 99-114. doi:10.1007/BF01035242
[5] B. K. Sahu, “Time Series Modeling in Earth Sciences,” Oxford & IBH Publications, New Delhi, 2003, p. 24.
[6] B. K. Sahu., “Statistical Models in Earth Sciences,” BS Publications, Hyderabad, 2005, p. 210.
[7] G. E. P. Box and G. M. Jenkins, “Time Series Analysis: Forecasting and Control,” 2nd Edition, Holden-Day, San Francisco, 1970, p. 5.
[8] G. U. Yule, “On a Method of Investigating Periodicities in Disturbed Series in Spectral Reference to Wolfer’s Son Spot Numbers,” Philosophical Transactions of the Royal Society, Series-A, Vol. 226, 1927, pp. 267-298. doi:10.1098/rsta.1927.0007
[9] G. Walker, “On Periodicity in Series of Related Terms,” Philosophical Transactions of the Royal Society, Series-A, Vol. 131, 1931, pp. 518-532.
[10] N. Andersen, “On the Calculation of Filter Coefficients for Maximum Entropy Spectral Analysis,” Geophysics, Vol. 39, No.1, 1974, p. 6.
[11] M. Armstrong, “Common Problems Seen in Variograms,” Mathematical Geology, Vol. 16, No. 3, 1984, pp. 305-313. doi:10.1007/BF01032694
[12] G. Matheron, “Principles of Geo-Statistics,” Economic Geology, Vol. 58, 1963, pp. 1245-1266. doi:10.2113/gsecongeo.58.8.1246
[13] I. Clark, “Practical Geo-Statistics,” Applied Science Publishers Ltd., London, 1979, p. 129.
[14] A. G. Royle, “How to Use Geo-Statistics for Ore Reserve Classification,” World Mining, Vol. 30, 1977, pp. 52-56.
[15] S. Hayakin, “Introduction in Non-Linear Methods of Spectral Analysis,” Topic in Applied Physics, Vol. 34, 1983, p. 263.
[16] T. J. Ulrych and T. N. Bishop, “Maximum Entropy Spectral Analysis and Auto-Regressive Decomposition,” Reviews of Geophysics and Space Physics, Vol. 130, No. 1, 1975, pp. 183-200. doi:10.1029/RG013i001p00183