1. Markfysikaliska undersökningar i odlad jord. VIII. En experimentell metod (Soil physical measurements on arable land. VIII. An experimental method);Andersson;Grundförbättring,1955
2. Arvidsson, J., Rydberg, T., 1994. Early sowing, a way to reduce costs, increase yield and improve soil structure? Proceedings of the 13th International Conference of ISTRO, Aalborg, Denmark, pp. 745–750.
3. The phenological development of oats (Avena sativa L.) cultivars as effected by temperature and photoperiod;Bleken;Acta Agric. Scand.,1986
4. Cook, R.J., Boosalis, M.G., Doupnik, B., 1978. Influence of crop residues on plant diseases. In: Oschwald, W.R. (Ed.), Crop Residue Management Systems. ASA Special Publication 31. American Society of Agronomy, Madison, WI, pp. 147–163.
5. Dixon, W.J., 1986. Extraneous values. In: Klute, A. (Ed.), Methods of Soil Analysis. Agronomy No. 9. Madison, USA, pp. 83–90.