@book{181321,
	author = {BP Amoco},
	title = {BP energy outlook 2030},
	publisher = {BP Amoco},
	year = {2011},
	address = {Londres},
	url = {https://biblioteca.iapg.org.ar/ArchAdjNOPUBLICOS/IEA-docs-bajados/world-shale-gas-resources.pdf}
}