1. Tuinbouw zonder grond verliest geen grond;De Jaeger;Landbouwk. Tijdschrift,1987
2. Salinity management with drip irrigation;Hoffman;Drip/Trickle Irrigation,1976
3. `Grodan' stone wool as medium for propagation and culture;Jörgensen;Acta Horti.,1975
4. Convective transport of solutes by steady flows: I. General theory, and II. Specific flow problems;Raats;Agric. Water Manage.,1978
5. Raats, P.A.C., 1980. The supply of water and nutrients in soilless culture. 5th International Congress on Soilless Culture.