Coman, Gigi Optimization of xylanase production by Streptomyces sp. P12-137 using response surface methodology and central composite design. [electronic resource] - Annals of microbiology Dec 2011 - 773-779 p. digital Publication Type: Journal Article ISSN: 1590-4261 Standard No.: 10.1007/s13213-010-0195-0 doi