Matpan Bekler, F.; Stougaard, P.; Güven, K.; Gül Güven, R.; Acer, í–. Cloning, Purification and Characterization of a Thermostable β-Galactosidase from Bacillus Licheniformis Strain KG9. Cell Mol Biol (Noisy-le-grand) 2015, 61, 71-78.