人工同龄纯林树冠面积比例系数计算及林分标准密度(立木株数)确定的研究人工同齡純林樹冠麵積比例繫數計算及林分標準密度(立木株數)確定的研究 인공동령순림수관면적비례계수계산급림분표준밀도(립목주수)학정적연구 A STUDY ON CALCULATING PROPORTIONAL COEFFICIENT OF CROWN AREA AND DETERMINING STANDARD DENSITY (STEM\|NUMBER) OF PURE ARTIFICIAL EVEN\|AGED STAND
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林业科学林業科學임업과학 SCIENTIA SILVAE SINICAE 1998年4期116-122,共7页
