Wilcox, Gerald E. The nutrient film hydroponic systems - West Lafayette, Ind. : Purdue University, (1981?) - 8 h. : ilus. - Yard & garden . - Yard & garden . Fotocopia LCCN: 53915 Subjects--Topical Terms: Cultivo en flujo laminar.HidroponÃa.Plantas--Nutrición.