@Misc{BVMC:683604,
author = {Ramos González, Fernando},
title = {Eje de balanza de brazos iguales},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014},
year = {2014},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcf20w6}
}