OZCAN BD, OZCAN N. Cloning and Expression of Thermostable β-Amylase Gene of Thermoanaerobacterium thermosulfurogenes in Escherichia coli and Bacillus subtilis BR151. Kafkas Univ Vet Fak Derg,  16 (6):  1011-1016,  2010. DOI: 10.9775/kvfd.2010.2290