title: Comment on "Tracking petroleum refinery emission events using lanthanum and lanthanides as elemental markers for PM2.5".
authors.forename: Albert
authors.initials: A
authors.lastname: Hendler
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004784:Environmental Monitoring / Q000379:methods*; D019652:Extraction and Processing Industry; D028581:Lanthanoid Series Elements / Q000737:chemistry*; D007811:Lanthanum / Q000737:chemistry*; D010316:Particle Size; D010578:Petroleum
chemical_list: D000393:Air Pollutants; D028581:Lanthanoid Series Elements; D010578:Petroleum; D007811:Lanthanum