@article{202306.0386,
	doi = {10.20944/preprints202306.0386.v1},
	url = {https://doi.org/10.20944/preprints202306.0386.v1},
	year = 2023,
	month = {June},
	publisher = {Preprints},
	author = {Fernando Moreira and Ana Ferreira and Nelson Barros},
	title = {Worldwide Survey and Characterization of Ultrafine Particle Exposure Monitoring and Assessment},
	journal = {Preprints}
}