1. 1987. Statistical Methods for Environmental Pollution Monitoring. Van Nostrand Reinhold: New York.
2. 1989. Applied Geostatistics. Oxford University Press: New York.
3. Reducing the Sampling Frequency of Groundwater Monitoring Wells
4. 1988. Nonparametric geostatistics for risk and additional sampling assessment. In Principles of Environmental Sampling, (ed.). American Chemical Society, 45-72.