JOURNAL OF BIOTECHNOLOGY, vol. 133, no. 1, page. 116 - 122, 2008-01-01
ENZYME AND MICROBIAL TECHNOLOGY, vol. 35, no. 6-7, page. 525 - 531, 2004-12-01
BIOTECHNOLOGY LETTERS, vol. 23, no. 23, page. 1957 - 1961, 2001-12