FRAGNER P. (1979): Yeasts in human material in our country and their differentiation. Part V. Česká Mykologie 33(2): 106-117 [published: 1979]
FRÁGNER P. (1959): Pathogene Hefen in der Milchindustrie. Česká Mykologie 13(3): 160-163 [published: 20th July, 1959]