Rumіantsev M. Н., V. A. Lyk’yanets, V. P. Samoday, V. A. Ihnatenko, A. V. Sotnikova, and M. Y. Trophymenko. “FEATURES OF ADVANCE REGENERATION OF ECONOMICALLY VALUABLE SPECIES UNDER THE CANOPY OF NATURAL OAK STANDS IN FRESH AND MOIST MAPLE-LIME FAIRLY FERTILE OAK FOREST TYPE IN THE LEFT-BANK FOREST-STEPPE PART OF THE SUMY REGION”. Forestry and Forest Melioration, no. 132, Feb. 2018, pp. 35-40, doi:10.33220/1026-3365.132.2018.35.