BIOTECHNOLOGY AND BIOENGINEERING, vol. 103, no. 5, page. 891 - 899, 2009-08-01
JOURNAL OF BIOTECHNOLOGY, vol. 131, no. 4, page. 448 - 457, 2007-09-30
PROCESS BIOCHEMISTRY, vol. 40, no. 3-4, page. 1461 - 1467, 2005-03