1. Associative effect of Rhizobium and phosphate-solubilizing bacteria on the yield and nutrient uptake of chick pea;Alagawadi;Plant Soil,1988
2. Introduction to Soil Microbiology;Alexander,1977
3. Les bactéries destructrices des aluminosilicates;Alexandrov;Mikrobiolo-giya,1950
4. Nonleguminous plant symbiosis;Allen,1965
5. Relevance of r- and k-theory to the ecology of plant pathogens;Andrews,1984