@article {40906,
	title = {Enthalpy of adsorption and isotherms for adsorption of naphthenic acid onto clays},
	volume = {190},
	year = {1997},
	pages = {472-475},
	publisher = {Journal of Colloid and Interface Science},
	author = {Zou, L. and Han, B. and Yan, H. and Kasperski, K. and Hepler, L.}
}
