欢迎访问林业科学,今天是
东北红松、落叶松木材密度和强度的变异及其木材应力分级
李源哲 张寿槐 刘红
VARIATIONS IN DENSITY AND STRENGTH OF WOOD OF KORAIAN PINE AND LARCH FROM NORTHEAST OF CHINA AND THE LUMBER STRESS GRADING
Li Yuanzhe;Zhang Shouhuai;Liu Hong
林业科学 . 1986, (4): 380 -392 .