Var: A program to calculate the semivariance function in three orthogonal planes
Tài liệu tham khảo
Blais, 1968, Application of geostatistics in ore evaluation, Vol. 9, 41
Gy, 1968, The theory and practice of sampling broken ores, Vol. 9, 5
Matheron, 1962, Tome 1
Matheron, 1962, Tome 2, 172