Native-feather degradation by Fervidobacterium islandicum AW-1, a newly isolated keratinase-producing thermophilic anaerobe - Gae-Won Nam; Dong-Woo Lee; Han-Seoung Lee; Nam-Ju Lee; Byoung-Chan Kim; Eun-Ah Choe; Jae-Kwan Hwang; Maggy Suhartono; Yu-Ryang Pyun (Archives of Microbiology, 2002)