Sharkova E.V., Nikol'skaia I.I., Shomodi P., Fel'desh I., Debov S.S. (1984) Isolation and fractionation of DNA methylases from Mycobacterium butyricum. Voprosy Meditsinskoi Khimii, 30(5), 72-76.
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Sharkova E.V. et al., "Isolation and fractionation of DNA methylases from Mycobacterium butyricum." Voprosy Meditsinskoi Khimii 30.5 (1984): 72-76.
Sharkova, E. V., Nikol'skaia, I. I., Shomodi, P., Fel'desh, I., Debov, S. S. (1984). Isolation and fractionation of DNA methylases from Mycobacterium butyricum. Voprosy Meditsinskoi Khimii, 30(5), 72-76.