Biohydrogen production from sweet sorghum biomass using mixed acidogenic cultures and pure cultures of Ruminococcus Albus by Antonopoulou G., Ntaikou I., Gavala H.N., Skiadas I.V., Angelopoulos K. and Lyberatos G.
Tracing dispersed coaly-derived particles in modern sediments: an environmental application of organic petrography by Kalaitzidis S., Christanis K., Cornelissen G. and Gustafsson