@article{article38690154,
title   = {Semi-continuous lactic fermentation of whey by Lactobacillus bulgaricus},
author = {Stein, Maria Angelica C. Fonseca and Kulay, Luiz Alexandre and Borzani, Walter},
year = {1991},
doi = {10.1007/BF00303372},
journal   = {World Journal of Microbiology and Biotechnology}
}