Lisowski A., Dąbrowska-Salwin M., Ostrowska-Ligęza E., Nawrocka A., Stasiak M., Świętochowski A., Klonowski J., Sypuła M., Lisowska B.:  Effects of the biomass moisture content and pelleting temperature on the pressure-induced agglomeration process (2017 r.) Biomass and Bioenergy 2017, Vol. 107, 376-383