The Isolation of Beta-amylase-producing Bacteria and Cloning， Expression of Beta-amylase Gene in Escherichia coli
Li Meng, Chen Lifei, Yang Jianlou, Ma Chunling
Biotechnology Bulletin . 2014, (12): 161 -167 .  DOI: 10.13560/j.cnki.biotech.bull.1985.2014.12.027