The objective of this work is to provide update information about the recent progress on lignocellulose hydrogen conversion via dark fermentation. Therefore, in this review, the most important fields associated with lignocellulosic hydrogen fermentation are covered, firstly describing the...

Stock exchanges have a diversity of so-called business groups and much evidence has been presented by covariance matrix analysis (Laloux et al. (1999) [6], Plerou et al. (2002) [7], Plerou et al. (1999) [8], Mantegna (1999) [9], Utsugi et al. (2004) [21] and Lim et al. (2009) [26]). A...