@book{881,
	author = { Telford, W. M.  and Geldart, L. P.},
	title = {Applied Geophysics},
	publisher = {Cambridge University Press,},
	year = {1990},
	address = {Cambridge, USA :},
	edition = {Second Edition},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ebook/004890-Applied-geophysics }
}