Bromage, B. J. J., Alexander, D., Breen, A., Clegg, J. R., DeForest, C., Dobrzycka, D., Gopalswamy, N., Thompson, B., Browning, P. K., and Del Zanna, G. 2000. "Structure of a Large low-Latitude Coronal Hole." Solar Physics, 193 181–193. https://doi.org/10.1023/A:1005209725885.