@Misc{BVMC:274290,
author = {Fernando I, Emperador del Sacro Imperio Romano Germánico},
title = {Litterae Ferdinandi Imperatoris legatis Concilii Tridentini},
url = {https://www.cervantesvirtual.com/obra/litterae-ferdinandi-imperatoris-legatis-concilii-tridentini}
}