Rasma Platace (2013). ASSESSMENT OF FACTORS INFLUENCING POTASSIUM CONTENT IN REED CANARY GRASS / POPLAR PELLETS AND GRASS PLANTS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES. https://doi.org/10.5593/sgem2013/bd4/s17.007