@book{2384b022e7ab44eda07c58b9d8271883,
title = "Biologisch uitgangsmateriaal in 2004, kan de keten gesloten worden? : een analyse van de stand van zaken",
keywords = "alternatieve landbouw, biologische landbouw, vermeerderingsmateriaal, gewassen, eu regelingen, karteringen, nederland, alternative farming, organic farming, propagation materials, crops, eu regulations, surveys, netherlands",
author = "A.G. Balkema",
year = "2003",
language = "Dutch",
series = "Nota / Plant Research International",
publisher = "Plant Research International",
number = "231",
}