R. Webster

• Como Ver E Interpretar El Aura (Tabla de Esmeralda-Bolsillo)
• Guidelines for surveying soil and land resources
• Havenwood
• Quantitative and numerical methods in soil classification and survey
• Soil monitoring
• Statistical methods in soil and land resource survey
• Advances in Soil Science
• Clusters of Galaxies
• Drug Dependence
• Gems
• Grid sampling and computer mapping of the Ivybridge area, Devon
• Natural Convection Cooling of Liquid Metal Systems