1. Ferenčík, M.:Determination of bacterial decarboxylases of some amino acids by means of high voltage electrophoresis. Fol. microbiol. 10: 236, 1965.
2. Ferenčík, M.:Formation of histamine and some other biologically active amino acids in bacterial decarboxylation of amino acids. (In Slovak.) C. Sc. thesis, Bratislava 1967
3. Ferenčík, M.:Amino acid decarboxylases (carboxy-Piases—E.C.4.1.1.) (In Slovak.) Chem. listy 1968—in press.
4. Forni, P. V., Maghenzani, P., Canada di Puma, A.:L. Amino acid decarboxylases in Candida. Aminoacidosi 7: 3, 1957; C. A. 54: 6878b, 1960.
5. Hartmann, T.:Zur Biogenese flüchtiger Amine beim Mutterkorn—Pilz Claviceps purpurea. Planta 86: 191, 1965.