@phdthesis{0e2b2a0245ea42b4b89623250e5ce223,
title = "Soil compaction and soil tillage - studies in agricultural soil mechanics",
keywords = "models, soil compaction, soil strength, soil structural units, soil water, stress, tillage, vehicles, models, soil compaction, soil strength, soil structural units, soil water, stress, tillage, vehicles",
author = "Thomas Keller",
year = "2004",
language = "English",
isbn = "91-576-6769-1",
series = "Acta Universitatis Agriculturae Sueciae. Agraria",
number = "489",
publisher = "Swedish University of Agricultural Sciences",
address = "Sweden",
}