Pretreatment and usage of pulp and paper industry residues for fuels production and their energetic potentialMenind, Andres; Oper, Liis; Hovi, Mart; Kers, Jaan; Tutt, Marti; Kikas, TimoAgronomy research2012 / p. 149-155 : ill https://agronomy.emu.ee/vol10Spec1/p10s116.pdf