@article {8465,
	title = {Upper tropospheric humidity changes under constant relative humidity},
	journal = {Atmospheric Chemistry and Physics},
	volume = {16},
	year = {2016},
	pages = {4159-4169},
	url = {http://www.atmos-chem-phys.net/16/4159/2016/},
	author = {Gierens, K. and Eleftheratos, K.}
}
