@Book{BVMC:617397,
author = {Celaya, Juan de},
title = {Expositio Magistri Ioannis de Celaya, Valentni, in libros posteriorum Aristotelis},
url = {http://www.cervantesvirtual.com/obra/expositio-magistri-ioannis-de-celaya-valentni-in-libros-posteriorum-aristotelis}
}