@book{30010,
	author = {Heidegger Martin},
	title = {El ser y el tiempo},
	publisher = {FCE},
	year = {2007},
	address = {Mexico},
	edition = {2da edicion},
	url = {https://docs.google.com/file/d/0BzH20_Ds87woMWF4UHlUaVFDd0E/edit?resourcekey=0-gaaGgZdh1gttdRy-NnQObA}
}