@article {essa2007gravity,
	title = {Gravity data interpretation using the s-curves method},
	journal = {Journal of Geophysics and Engineering},
	volume = {4},
	number = {2},
	year = {2007},
	note = {n/a},
	pages = {204},
	publisher = {IOP Publishing},
	abstract = {n/a},
	author = {Khalid S. Essa}
}
