Enrichment and speciation analysis of heavy metals in the sediments of Yangtze River (Nanjing section)
MA Hongrui, ZHANG Qian, JI Junfeng,WU Yongzhao
Ecology and Environment . 2009, (6): 2061 -2065 .  DOI: 10.16258/j.cnki.1674-5906(2009)06-2061-05