@article{5b383eccf5e74ed4b5ccd6bafbd49e0e,
title = "Source identification of trace elements in PM2.5 at a rural site in the North China Plain",
keywords = "PM, Positive matrix factorization, Potential source region, Trace element",
note = "Publisher Copyright: {\textcopyright} 2020 by the authors.",
year = "2020",
month = feb,
day = "1",
doi = "10.3390/atmos11020179",
language = "English",
volume = "11",
journal = "Atmosphere",
issn = "2073-4433",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "2",
}