Jordanus de Nemore and the mathematics of astrolabes =: De plana spera 
Subtitle: an edition with introduction, translation, and commentary (Studies and texts)
Publisher: Pontifical Institute of Mediaeval Studies
Published: 1978
Language: eng
Format: Unknown Binding
Number of pages: 238
ISBN-13: 9780888440396
Subjects: Early works to 1800; Astrolabes; Spherical projection