6.
Chianese E., Tirimberio G., Dinoi A., Cesari D., Contini D., Bonasoni P., et al.: Particulate Matter Ionic and Elemental Composition during the Winter Season: A Comparative Study among Rural, Urban and Remote Sites in Southern Italy. Atmosphere. 2022, 13(2), 356, DOI: 10.3390/atmos13020356.