S. I. Tsyganova, Y. V. Mazurova, G. N. Bondarenko, and O. Y. Fetisova, “THE EFFECT OF LONG EXPOSURE OF BIRCH, ASPEN AND PINE SAWDUST IN WATER ON YIELD AND SPECIF-IC SURFACE AREA OF THE CARBON PRODUCT”, JCPRM, no. 3, pp. 33-40, Apr. 2019.