Mainardi JL; Villet R; Bugg TD; Mayer C; Arthur M (2008). »Evolution of peptidoglycan biosynthesis under the selective pressure of antibiotics in Gram-positive bacteria«. FEMS Microbiol Rev. 32 (2): 386–408. doi:10.1111/j.1574-6976.2007.00097.x. PMID18266857.
Mainardi JL; Villet R; Bugg TD; Mayer C; Arthur M (2008). »Evolution of peptidoglycan biosynthesis under the selective pressure of antibiotics in Gram-positive bacteria«. FEMS Microbiol Rev. 32 (2): 386–408. doi:10.1111/j.1574-6976.2007.00097.x. PMID18266857.