1. Balcı, A.N., 1964. Physical, chemical and hydrological properties of certain Western Washington forest floor types. PhD Thesis University of Washington, Seattle-Washington, USA.
2. Influence of parent material and slope exposure on properties of soils related to erodibility in North-Central Anatolia;Balcı,1973
3. Soil conservation (in Turkish);Balcı,1996
4. Soil Physics;Baver,1961
5. Soils and Geomorphology;Birkeland,1984