1. Tryptophan as a competitive growth inhibiting analog of phenylalanine;BZER ER, E;J. Am. Chem. Soc.,1947
2. Influence of some environmental factors upon the production of riboflavin by a yeast;RKHOLDER P. R.;Arch. Biochem.,1943
3. Fluorometric estimation of riboflavin;KODICBEK E.;Biochem. J. (London),1949
4. Riboflavin production by Candida yeasts;LEVIN H.;Ind. Eng. Chem.,1949
5. Pantothenate studies. I. Interference by D-serine and i-aspartic acid with pantothenate synthesis in Escherichia coli;MAAS W. K.;J. Bact.,1950