00327nam a2200121Ia 4500008004100000082001800041245003500059260002700094650003000121650002000151650001700171700001700188220204s9999    xx            000 0 und d  a631.4bADV.12 0aAdvances in soil science. V 12  aBerlinbSpringerc1990  aAzospririllum inoculation  aClay mineralogy  aSoil science  aStewart, B A