Physicochemical changes of cellulose and their influences on Populus trichocarpa digestibility after different pretreatments Authors Yao, Lan; Yoo, Chang Geun; Pu, Yunqiao; Meng, Xianzhi; Muchero, Wellington; Tuskan, Gerald A.; Tschaplinski, Timothy J.; Ragauskas, Arthur J.; and Yang, Haitao Journal-Book Bioresources Year 2019