Rotman, Boris, y Rosario Guzmán. 1987. «Bacterial Periplasmic Proteins As Extracellular Signals for Escherichia Coli: Galactose-Binding Protein Stimulates Phosphate Incorporation into Nucleotides». Anales De La Universidad De Chile, n.º 14 (enero):Pág. 243-251. https://doi.org/10.5354/0717-8883.1987.26034.