Otimization studies on oxalic acid pretreatment of corn cob for production of hemicellulosic hydrolysate - Rodrigues, Rita de Cássia Lacerda Brambilla; Kenealy, William R.; Lee, Jae Won; Jeffries, Thomas W. (Proceedings of the I Biomass and Bioenergy Conference - BBC Brazil 2018, 2018)