Breuning-Madsen, H., Brix Hedegaard, M. og Balstrøm, T. (1999) “Land assessment maps of Denmark based on the Danish Soil Classification’s data bases and former trial land assessments”, Geografisk Tidsskrift, 1. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/42451 (Set: 24 november 2024).