Zhao C, Luo Y, Song C, et al. (April 2007). "Identification of three Zwittermicin A biosynthesis-related genes from Bacillus thuringiensis subsp. kurstaki strain YBT-1520". Arch. Microbiol. 187 (4): 313–9. doi:10.1007/s00203-006-0196-3. PMID17225146. S2CID24773281.
Zhao C, Luo Y, Song C, et al. (April 2007). "Identification of three Zwittermicin A biosynthesis-related genes from Bacillus thuringiensis subsp. kurstaki strain YBT-1520". Arch. Microbiol. 187 (4): 313–9. doi:10.1007/s00203-006-0196-3. PMID17225146. S2CID24773281.
Zhao C, Luo Y, Song C, et al. (April 2007). "Identification of three Zwittermicin A biosynthesis-related genes from Bacillus thuringiensis subsp. kurstaki strain YBT-1520". Arch. Microbiol. 187 (4): 313–9. doi:10.1007/s00203-006-0196-3. PMID17225146. S2CID24773281.