Nicholas, D J Microbiological techniques as analytical and purification tools with special reference to trace metals. [electronic resource] - Annals of the New York Academy of Sciences Jan 1966 - 217-31 p. digital Publication Type: Journal Article ISSN: 0077-8923 Standard No.: 10.1111/j.1749-6632.1966.tb49754.x doi Subjects--Topical Terms: AnimalsAspergillus--analysisAzotobacter--analysisCobalt--analysisCopper--analysisEnzymes--analysisEscherichia coli--analysisHydrogen-Ion ConcentrationIron--analysisManganese--analysisMolybdenum--analysisPlants--analysisRhizobium--analysisSoilTrace Elements--analysisZinc--analysis