1. Spatial interpolation of daily meteorological data. Theoretic evaluation of available techniques;Beek,1991
2. Spatial interpolation of daily meteorological data. Using kriging to predict daily rainfall in North-Western Europe;Beek,1991
3. Transfer functions and threshold values: from soil characteristics to land qualities;Bouma,1987
4. Potential world food production;Buringh,1979
5. The waterbalance of soil;Driessen,1986