Nogina T.M., Varbanets L.D., Nesterenko O.A., Stogny I.P., Gvozdyak O.R., Kishchenko V.A. Amino acid composition of peptidoglycanes isolated from cell of coryneform bacteria by different methods. Mikrobiol. Zhurn. 1989. Vol. 51, No. 3. P. 16–19. ISSN 0201-8462.