H. Dahlgren, T. Sundberg, A. Collier, E. Koen, and S. Meyer, “Solar flares detected by the new narrowband VLF receiver at SANAE IV”, S. Afr. J. Sci., vol. 107, no. 9/10, p. 8 pages, Sep. 2011, Accessed: Nov. 23, 2024. [Online]. Available: https://sajs.co.za/article/view/9990