TY JOUR TI ANATOMIC-MORPHOLOGICAL REGULARITIES IN THE REACTION OF PINUS SIBIRICA DU TOUR, PICEA OBOVATA LEDEB., ABIES SIBIRICA LEDEB., PINUS SYLVESTRIS L. TO THE CROWN DEFOLIATION BY DENDROLIMUS SUPERANS SIBIRICUS TSCHETV KW xylem KW defoliation KW water transport JO Bulletin of KSAU AU Pavlov, I.N. AU Panov, A.B. PY 2014 IS PB Krasnoyarsk State Agrarian University