测定松树针叶净同化率的双针法研究初报
熊文愈;张增耀;龚垒
A Preliminary Study on a Pair-Needle Method for Measuring the Net Assimilation Rate of Pine Needles
Xiong Wenyu
南京林业大学学报(自然科学版) . 1979, (07): 152 -155 .  DOI: 10.3969/j.jssn.1000-2006.1979.07.018