@book{5948,
	author = {Viniegra Heberlein, Fermín},
	title = {Una mecánica sin talachas /},
	publisher = {SEP :},
	year = {1986},
	series = {Ciencia desde México},
	address = {México :},
	url = {https://www.unpa.edu.mx/bibliotecas/images/portadas/Tablas%20de%20contenido/5971.pdf}
}