Gidroliz bukovojj i sosnovojj drevesuny pri raznykh moduljakh i raznykh koncentracijakh sernojj kisloty iz issledovanijj po gidrolizu drevesiny rizhskim metodom
EN
Hydrolysis of beech and pine wood with variable moduls and concentration of sulphuric acid (from research on wood hydrolysis with the application of Riga method)