E. Jimenez, L. Fernandez, A. Maldonado, R. Martin, M. Olivares, J. Xaus and J. M. Rodriguez
Applied and Environmental Microbiology 74 ( 15 ): 4650 - 4655 , 2008
E. Martinez, E. Jimenez, J. Blanco and F. Sanz
Applied Energy 87 ( 7 ): 2293 - 2303 , 2010