TY JOUR TI Connection of phenotypic form Siberian cedar cones with the index of seed productivity KW Siberian cedar KW Siberian pine KW polymorphism KW cones KW seed scales. JO Vestnik of Kazan State Agrarian University AU Khamitov, R.. AU Khamitova, S.. PY 2014 IS 8 PB Kazan state agrarian University