1. Alexandrov V G et Zak G A 1950 Les bactéries destructrices des alumino-silicates. Mikrobiol. 19, 97–104.
2. Azcon R, Barea J M and Hayman D S 1976 Utilization of rock phosphate in alkaline soils by plants inoculated with mycorrhiza fungi and phosphate solubilizing bacteria. Soil Biol. Biochem. 8, 135–138.
3. Barber D A 1978 Nutrient uptake.In Interactions between non pathogenic soil Microorganisms and Plants. Eds. Y Dommergues and E S Krupa. Ch. IV, pp 131–162. Elsevier, Amsterdam.
4. Barea J M, Azcon C and De Aguilar G 1980 Production of auxin like substances by axenically germinated spores of the endomycorrhizal fungusGlomus mosseae. Abst. of the IInd Int. Symp. on Microb. Ecol., Warwick (U.K.), 130 p.
5. Berthelin J 1977 Quelques aspects desmécanismes de transformation des minéraux des sols par les microorganismes hétérotrophes. Science du Sol, 1, 13–24.