Henrissat, B.; Davies, G. (1997). "Structural and sequence-based classification of glycoside hydrolases". Current Opinion in Structural Biology. 7 (5): 637–644. doi:10.1016/S0959-440X(97)80072-3. PMID9345621.
Coutinho, P. M.; Deleury, E.; Davies, G. J.; Henrissat, B. (2003). "An evolving hierarchical family classification for glycosyltransferases". Journal of Molecular Biology. 328 (2): 307–317. doi:10.1016/S0022-2836(03)00307-3. PMID12691742.
Henrissat, B.; Davies, G. (1997). "Structural and sequence-based classification of glycoside hydrolases". Current Opinion in Structural Biology. 7 (5): 637–644. doi:10.1016/S0959-440X(97)80072-3. PMID9345621.
Coutinho, P. M.; Deleury, E.; Davies, G. J.; Henrissat, B. (2003). "An evolving hierarchical family classification for glycosyltransferases". Journal of Molecular Biology. 328 (2): 307–317. doi:10.1016/S0022-2836(03)00307-3. PMID12691742.