Mishin, V. M., Block, L. P., Bazarzhapov, A. D., Saifudinova, T. I., Lunyushkin, S. B., Shirapov, D. S., Woch, J., Eliasson, L., Marklund, G. T., Blomberg, L. G., & Opgenoorth, H. (1997). A study of the CDAW 9C substorm of May 3, 1986, using magnetogram inversion technique 2, and a substorm scenario with two active phases. Journal Geophysical Research, 102, 19845-19859.