@article {sadiq2007probability,
	title = {Probability density functions based weights for ordered weighted averaging (OWA) operators: An example of water quality indices},
	journal = {European Journal of Operational Research},
	volume = {182},
	number = {3},
	year = {2007},
	pages = {1350{\textendash}1368},
	publisher = {Elsevier},
	author = {Sadiq, Rehan and Tesfamariam, Solomon}
}
