4. References

Cressie, N. A. C. (1993): Statistics for Spatial Data (Revised Edition), Wiley, New York, NY.

Ripley, B. D. (1981): Spatial Analysis, Wiley, New York, NY.

Venables, W. N., Ripley, B. D. (1999): Modern Applied Statistics with S-Plus (Third Edition), Springer, New York, NY.



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