Beletskaya, I. V., Zakharova, M. V., Shlyapnikov, M. G., Semenova, L. M., & Solonin, A. S. (2000). DNA methylation at the CfrBI site is involved in expression control in the CfrBI restriction–modification system. Oxford University Press.

Beletskaya, Irina V., Marina V. Zakharova, Michael G. Shlyapnikov, Lidiya M. Semenova, und Alexander S. Solonin. DNA Methylation At the CfrBI Site Is Involved in Expression Control in the CfrBI Restriction–modification System. Oxford University Press, 2000.

Beletskaya, Irina V., et al. DNA Methylation At the CfrBI Site Is Involved in Expression Control in the CfrBI Restriction–modification System. Oxford University Press, 2000.