Matthew D. Collins, Brian A. Phillips, Paolo Zanoni (1989). “Deoxyribonucleic Acid Homology Studies of Lactobacillus casei, Lactobacillus paracasei sp. nov., subsp. paracasei and subsp. tolerans, and Lactobacillus rhamnosus sp. nov., comb. nov.”. International Journal of Systematic and Evolutionary Microbiolog39: 105-108. doi:10.1099/00207713-39-2-105.
Dicks, L. M., Du Plessis, E. M., Dellaglio, F., Lauer, E. (1996). “Reclassification of Lactobacillus casei subsp. casei ATCC 393 and Lactobacillus rhamnosus ATCC 15820 as Lactobacillus zeae nom. rev., designation of ATCC 334 as the neotype of L. casei subsp. casei, and rejection of the name Lactobacillus paracasei.”. International Journal of Systematic and Evolutionary Microbiolog46 (1): 337-40. doi:10.1099/00207713-46-1-337. PMID8573516.
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Dicks, L. M., Du Plessis, E. M., Dellaglio, F., Lauer, E. (1996). “Reclassification of Lactobacillus casei subsp. casei ATCC 393 and Lactobacillus rhamnosus ATCC 15820 as Lactobacillus zeae nom. rev., designation of ATCC 334 as the neotype of L. casei subsp. casei, and rejection of the name Lactobacillus paracasei.”. International Journal of Systematic and Evolutionary Microbiolog46 (1): 337-40. doi:10.1099/00207713-46-1-337. PMID8573516.