01167nam a2200289 i 450099100342146970753620020509121835.0990511s1978 ca ||| | eng 0888440391b11158931-39ule_instPARLA181540ExLDip.to FilosofiaitaJordanus :Nemorarius540172Jordanus de Nemore and the mathematics of astrolabes :De plana spera /An edition with introduction, translation and commentary by Ron B. ThomsonToronto :Pontifical Institute of Mediaeval Studies,1978x, 238 p. :ill. ;26 cm.Studies and texts ;39Astrolabes - Early works to 1800Spherical projection - Early works to 1800Thomson, Ron B.De plana spera.b1115893123-02-1728-06-02991003421469707536LE00512005000056017le005-E0.00-l- 00000.i1130209428-06-02Jordanus de Nemore and the mathematics of astrolabes872697UNISALENTOle00501-01-99ma -engxx 01