<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Heuvelink, G. B. M.</style></author><author><style face="normal" font="default" size="100%">Brus, D. J.</style></author><author><style face="normal" font="default" size="100%">{De Gruijter}, J. J.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Lagacherie, P.</style></author><author><style face="normal" font="default" size="100%">McBartney, Alex B.</style></author><author><style face="normal" font="default" size="100%">Voltz, M.</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Optimization of sample configuration for digital mapping of soil properties with universal kriging</style></title><secondary-title><style face="normal" font="default" size="100%">Digital Soil Mapping: An Introductory Perspective. Developments in Soil Science</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year></dates><publisher><style face="normal" font="default" size="100%">Elsevier</style></publisher><pub-location><style face="normal" font="default" size="100%">Amsterdam</style></pub-location><volume><style face="normal" font="default" size="100%">31</style></volume><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>