@article {Helmis200947,
	title = {Indoor air quality assessment in the air traffic control tower of the Athens Airport, Greece},
	journal = {Environmental Monitoring and Assessment},
	volume = {148},
	number = {1-4},
	year = {2009},
	pages = {47-60},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-58049184732\&doi=10.1007\%2fs10661-007-0138-9\&partnerID=40\&md5=9e394757e67d79bdea6aa7ec6a64c689},
	author = {Helmis, C.G. and Assimakopoulos, V.D. and H. A. Flocas and Stathopoulou, O.I. and Sgouros, G. and M. Hatzaki}
}
