1. Cressie, N., 1991, Statistics for spatial data: Wiley, New York (forthcoming).
2. Fairfield Smith, H., 1936, A discriminant function for plant selection: Annals of Eugenics, v. 7, p. 240?250.
3. Gandin, L. S., 1963, Objective analysis of meteorological fields: Gidrometeorologicheskoe Izdatel'stvo (GIMIZ), Leningrad (translated by Israel Program for Scientific Translations, Jerusalem, 1965, 238 pp.).
4. Gauss, C. F., 1809, Theoria motus corporum celestium: Perthes et Besser, Hamburg (tranlslated as Theory of motion of the heavenly bodies moving about the sun in conic sections, trans. C. H. Davis: Little, Brown, Boston, 1857).
5. Goldberg, A. S., 1962, Best linear unbiased prediction in the generalized linear regression model: J. Am. Stat. Assoc., v. 57, p. 369?375.