Reference

Search for REF=[1883].
1883
Weiss, N., Schillinger, U. and Kandler, O.
Lactobacillus lactis, Lactobacillus leichmannii and Lactobacillus bulgaricus, subjective synonyms of Lactobacillus delbrueckii, and description of Lactobacillus delbrueckii subsp. lactis comb. nov. and Lactobacillus delbrueckii subsp. bulgaricus comb. nov.
Syst. Appl. Microbiol. 4: 552-557, 1983.
DOI: 10.1016/S0723-2020(83)80012-5.