‘Moisture variability resulting from water repellency in Dutch soils’, ‘Flow and transport in water repellent sandy soils’, ‘Hydrology, Water Resources and Ecology in Headwaters’, ‘Field Hydrogeology’, ‘National water management and the value of nature’
4 januari 1998 Harry Boukes; Michael van der Valk; Ton Garritsen Editie 1998 - 4