1. The properties of Bet Nir soils and their influence on wheat yields under dry-land conditions;Alperovitch;Pamph. Volcani Inst. Agric. Res., Bet Dagan,1971
2. Soil classification;Baldwin,1938
3. Pedology, Weathering and Geomorphological Research;Birkeland,1974
4. The classification of Israel Soils;Committee On Soil Classification In Israel,1979
5. The significance of the weathering/leaching ratio in the differentiation of major soil groups;Crompton,1960