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.
Pallavicini, R.; Serio, S.; Vaiana, G. S. (1977). "A survey of soft X-ray limb flare images – The relation between their structure in the corona and other physical parameters". The Astrophysical Journal216: 108. Bibcode:1977ApJ...216..108P. doi:10.1086/155452.
Golub, L.; Herant, M.; Kalata, K.; Lovas, I.; Nystrom, G.; Pardo, F.; Spiller, E.; Wilczynski, J. (1990). "Sub-arcsecond observations of the solar X-ray corona". Nature344 (6269): 842–844. Bibcode:1990Natur.344..842G. doi:10.1038/344842a0.
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.
Pallavicini, R.; Serio, S.; Vaiana, G. S. (1977). "A survey of soft X-ray limb flare images – The relation between their structure in the corona and other physical parameters". The Astrophysical Journal216: 108. Bibcode:1977ApJ...216..108P. doi:10.1086/155452.
Golub, L.; Herant, M.; Kalata, K.; Lovas, I.; Nystrom, G.; Pardo, F.; Spiller, E.; Wilczynski, J. (1990). "Sub-arcsecond observations of the solar X-ray corona". Nature344 (6269): 842–844. Bibcode:1990Natur.344..842G. doi:10.1038/344842a0.