Fermentative hydrogen production with xylose by Clostridium and Klebsiella species in anaerobic batch reactors - Maintinguer, Sandra Imaculada; Fernandes, Bruna Soares; Duarte, Iolanda Cristina Silveira; Saavedra del Aguila, Nora Katia; Adorno, Maria Angela Tallarico; Varesche, Maria Bernadete Amancio (International Journal of Hydrogen Energy, 2011)