Christakos, G. (1992), Random Field Models in Earth Sciences, New York: Academic Press.
Deutsch, C. V. and Journel, A. G. (1992), GSLIB: Geostatistical Software Library and User’s Guide, New York: Oxford University Press.
Knuth, D. E. (1973), The Art of Computer Programming: Seminumerical Algorithms, Reading, MA: Addison-Wesley.
Ralston, A. and Rabinowitz, P. (1978), A First Course in Numerical Analysis, Second Edition, New York: McGraw-Hill.
Searle, S. R. (1971), Linear Models, New York: John Wiley & Sons.