@book{246925,
	author = {Kaufman, Alexander A., and Alexeev, Dmitri.},
	title = {Principles of electromagnetic methods in surface geophysics / },
	publisher = {Elsevier,},
	year = {[2014]},
	series = {Methods in geochemistry and geophysics ;},
	address = {Amsterdam ;},
	url = {http://www.sciencedirect.com/science/book/9780444538291}
}