Dicks, L.M.T., 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 Bacteriology. 46 : 337-340.