@book{153842,
	author = {Gidley, John L. and Society of Petroleum Engineers, SPE and Holditch, Stephen A. and Society of Petroleum Engineers, SPE},
	title = {Recent advances in hydraulic fracturing},
	publisher = {Society of Petroleum Engineers, SPE},
	year = {1989},
	series = {SPE Henry L. Doherty Series},
	address = {Richardson, Texas}
}