Katsukawa, Yukio; Tsuneta, Saku (2005). "Magnetic Properties at Footpoints of Hot and Cool Loops". The Astrophysical Journal621 (1): 498–511. Bibcode:2005ApJ...621..498K. doi:10.1086/427488.
Katsukawa, Yukio; Tsuneta, Saku (2005). "Magnetic Properties at Footpoints of Hot and Cool Loops". The Astrophysical Journal621 (1): 498–511. Bibcode:2005ApJ...621..498K. doi:10.1086/427488.