Grassie, K. Theory 3, Max Planck Institute for Plasma Physics, Max Planck Society;
Grassie, K., Zehrfeld, H., & et al. (1988). Resistive Ballooning Modes Under Plasma Edge Conditions: 15.European Conference. Europ.Conf.on Controlled Fusion and Plasma Heating, Part 1, 12B, 1, 366-369.