南京市几种行道树年轮重金属元素含量的变化
栾以玲,姜志林,阮宏华
The historical dynamics of concentrations of heavy metal in street tree rings in Nanjing, China
LUAN Yiling, JIANG Zhilin, RUAN Honghua
南京林业大学学报(自然科学版) . 2009, (06): 147 .  DOI: 10.3969/j.jssn.1000-2006.2009.06.034