@book{257,
	author = {Stryer, Lubert},
	title = {Biochemistry /},
	publisher = {W.H. Freeman, },
	year = {1988},
	address = {New York :},
	edition = {3 ed.},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/260.pdf}
}