@book{8b6aed4d0ca34466a5f5f960a162050c,
title = "Een verbeterde methode van fosfaatextractie van grond met water: het Pw - getal",
keywords = "derivaten, anorganische verbindingen, fosfaten, fosfor, fosforpentoxide, kwantitatieve analyse, bodem, derivatives, inorganic compounds, phosphates, phosphorus, phosphorus pentoxide, quantitative analysis, soil",
author = "{van der Paauw}, F. and H.A. Sissingh and J. Ris",
year = "1971",
language = "Nederlands",
series = "Verslagen van landbouwkundige onderzoekingen",
publisher = "Pudoc",
number = "no. 749",
address = "Netherlands",
}