Tractatus de Sphera Ioannis de sacro busto, cum comentariis
Petri a Spinosa Salmanticae: Juan de Porras, 1518.
.
Locations:
Madrid. Biblioteca Nacional de España. R-17501-2
.
Johannes de Sacrobosco - Editions of the
Tractatus
de Sphaera - home Roberto de Andrade Martins - roberto.andrade.martins@gmail.com Group of History, Theory of Science and Science Teaching, University
of São Paulo (USP), Brazil - GHTC
Tractatus
de Sphaera
