Role of Molybdenum in the Utilization of Ammonium and Nitrate Nitrogen by Aspergillus Niger
A Study of Some Factors Influencing the Stimulative Action of Zinc Sulphate on Aspergillus Niger
Reversions in Morphology of Nitriteinduced "mutants" of Aspergilli Grown on Amino Acids
Nutrient-solution Purification for Removal of Heavy Metals in Deficiency Investigations with Aspergillus Niger
A Study of Some Factors in the Chemical Stimulation of the Growth of "aspergillus Niger", by Robert Aaron Steinberg
Some Fundamental Factors and Principles Underlying Education in Nationalism and Internationalism in Japan
Growth Responses to Organic Compounds by Tobacco Seedlings in Aseptic Culture
Relation of Accessory Growth Substances to Heavy Metals, Including Molybdenum, in the Nutrition of Aspergillus Niger
Symptoms of Amino Acid Action on Tobacco Seedlings in Aseptic Culture