TY JOUR TI VARIABILITY, SELECTION OF CLONES AND RAMETS OF SIBERIAN STONE PINE (PINUS SIBIRICA) PLUS TREES KW clone KW ramet KW Siberian stone pine (Pinus sibirica) KW biometric parameters KW reproductive development KW variability JO Bulletin of KSAU AU Kolosovskaya, Y.E. PY 2013 IS PB Krasnoyarsk State Agrarian University