Ein Ertragsmodell fuer guenstige und schaedliche Umweltfaktoren Authors Visser, W.C. Publication Date Jan 01, 1968 Source Wageningen University and Researchcenter Publications Keywords Biometry Statistical Analysis Yield Increases Yield Losses Yields Biometrie Oogsttoename Oogstverliezen Opbrengsten Statistische Analyse Language German License Unknown External links Full record on research.wur.nl