Quantitative and numerical methods in soil classification and surveyde R. WebsterMateriasClassificationSoil-surveysSoilsStatistical methodsSoil surveysSoil classificationStatistical analysisSamplingSols, Étude desMéthodes statistiquesSols
GGrid sampling and computer mapping of the Ivybridge area, DeGrid sampling and computer mapping of the Ivybridge area, Devon
