URL https://www.researchgate.net/publication/304434013_Biomass_and_Bioenergy_Production_of_Arundo_donax_L_Pennisetum_purpureum_Schum_and_Pennisetum_purpureum_Schumack_Pennisetum_glaucum_L_in_Short_Rotation_Cropping_System_in_Costa_Rica