Johnson, J. L., Hamm-Alvarez, S., Payne, G., Sancar, G. B., Rajagopalan, K. V., & Sancar, A. (1988). Identification of the second chromophore of Escherichia coli and yeast DNA photolyases as 5,10-methenyltetrahydrofolate.

Johnson, J L., S. Hamm-Alvarez, G. Payne, G B. Sancar, K V. Rajagopalan, و A. Sancar. Identification of the Second Chromophore of Escherichia Coli and Yeast DNA Photolyases As 5,10-methenyltetrahydrofolate. 1988.

Johnson, J L., et al. Identification of the Second Chromophore of Escherichia Coli and Yeast DNA Photolyases As 5,10-methenyltetrahydrofolate. 1988.