1. Variability within a soil mapping unit mapped at the soil type level in the Wanganui district.;Adams;I. Morphological variation. N.Z. J. Agric. Res.,1976
2. Variability within a soil mapping unit mapped at the soil type level in the Wanganui district.;Adams;II. Chemical variation. N.Z. J. Agric. Res.,1976
3. Mapping accuracy of a contemporary soil survey in an urbanizing area.;Amos;Soil Sci. Soc. Am. Proc.,1975
4. Importance of geographic soil variability at scales of about 1: 25,000 — Venezuelan example.;Arnold;Diversity of Soils in the Tropics. SSSA Spec. Publ.,1978
5. Spatial variability of soil water properties in tropical soils of Nigeria.;Babalola;Soil Sci.,1978