Edmondson, D.E., Kenney, W.C. and Singer, T.P. (1976). „Structural elucidation and properties of 8α-(N1-histidyl)riboflavin: the flavin component of thiamine dehydrogenase and β-cyclopiazonate oxidocyclase”. Biochemistry. 15: 2937—2945. PMID8076.CS1 одржавање: Вишеструка имена: списак аутора (веза)
Schabort, J.C. & Potgieter, D.J.J. (1971). „β-Cyclopiazonate oxidocyclase from Penicillium cyclopium. II. Studies on electron acceptors, inhibitors, enzyme kinetics, amino acid composition, flavin prosthetic group and other properties”. Biochim. Biophys. Acta. 250: 329—345. PMID5143340.
