An Object-oriented Framework for Geostatistical Modeling in S+
S original by James J. Majure <majure@iastate.edu> Iowa State
        University, R port + extensions by Albrecht Gebhardt
        <albrecht.gebhardt@uni-klu.ac.at>
An Object-oriented Framework for Geostatistical Modeling
        in S+
stats, grDevices, graphics, R (>= 2.0.0)