BIORESOURCE TECHNOLOGY, vol. 99, no. 17, page. 8485 - 8491, 2008-11
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, vol. 33, no. 19, page. 5176 - 5183, 2008-10
BIORESOURCE TECHNOLOGY, vol. 99, no. 14, page. 6666 - 6672, 2008-09
JOURNAL OF BIOTECHNOLOGY, vol. 131, no. 3, page. 300 - 308, 2007-09-15