Dynamic variation and accumulation characteristics of heavy metals in four broadleaved tree rings in Harbin city
SUN Huizhen,GAO He,CAI Chunju,ZHU Ning
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2013, (06): 64 -68 .  DOI: 10.3969/j.issn.1000-2006.2013.06.013