1. Soil Organic Matter and Its Role in Crop Production;Allison,1973
2. Micromorphology of soil organic matter;Babel,1975
3. Carbon fibre etching in an oxygen plasma;Barnet;Carbon,1973
4. Allende Meteorite carbonaceous phase: intractable nature and scanning electron morphology;Bauman;Nature,1973
5. Soil Physics;Baver,1956