Furger, MRai, PSlowik, JGVisser, SBaltensperger, UPrevot, ASH2020-08-272020-08-272020-06-1210.1016/j.aeaoa.2020.100065http://hdl.handle.net/10029/624203enAutomated alternating sampling of PM10 and PM2.5 with an online XRF spectrometerArticleAtmospheric Environ X 2020; 5:100065