@inbook {202724,
	title = {Combined Gravity or Self-Potential Anomaly Formula for Mineral Exploration},
	booktitle = {Geophysics and Ocean Waves Studies},
	year = {2021},
	publisher = {InTechOpen},
	organization = {InTechOpen},
	address = {London},
	author = {Khalid S. Essa and Mahmoud Elhussein}
}
