@article {sadig2007probability,
	title = {Probability density functions based weights for ordered weighted averaging (OWA) operators: an example pf water quality indices},
	journal = {European Journal of Operational Research},
	volume = {182},
	number = {3},
	year = {2007},
	pages = {1350{\textendash}1368},
	author = {Sadig, R and Tesfamariam, S}
}
