A Review on Identifying Agricultural NPS Pollution Sources by Using Stable N Isotope
LI Li, REN Fei-peng, WANG Zhi-gang, ZHANG Ping-cang
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2014, (7): 21 -28 .  DOI: 10.3969/j.issn.1001-5485.2014.07.004