, Proposal for a directive of the European Parliament and of the Council. Establishing a Framework for the Protection of Soil and Amending Directive, European Communities, p.232, 2004.
Robust kriging -A proposal, Journal of the International Association for Mathematical Geology, vol.16, pp.3-18, 1984. ,
Modelling complex soil properties as contaminated regionalized variables, Geoderma, vol.106, pp.799-813, 2002. ,
Model based analysis using REML for inference from systematically sampled data on soil, European Journal of Soil Science, vol.55, pp.799-813, 2004. ,
The use of soil survey data to determine the magnitude and extent of historic metal deposition related to atmospheric smelter emissions across Humberside, UK. Environmental Pollution, vol.143, pp.416-426, 2006. ,
Multivariate analysis of spatial patterns: a unified approach to local and global structure, Environmental and Ecological Statistics, vol.2, pp.1-14, 1995. ,