1. G. A. GERDIN, “Radio Frequency Studies in the NASA Lewis Bumpy Torus,” NASA TM X-71567, National Aeronautics and Space Administration (1974).
2. G. A. GERDIN, “Spoke Wavenumbers and Mode Transitions in the NASA Lewis Bumpy Torus,” NASA TM X-71624, National Aeronautics and Space Administration (1974).
3. Extension of the coherence function to quadratic models
4. W. M. KRAWCZONEK, J. R. ROTH, C. E. BOYD, J. Y. HONG, and E. J. POWERS, “A Data Acquisition and Handling System for the Measurement of Radial Plasma Transport Rates,” NASA TM 78849, National Aeronautics and Space Administration (1977).
5. R. MALLAVARPU and J. R. ROTH, “Investigation of Possible Lower Hybrid Emission from the NASA Lewis Bumpy Torus Plasma,” NASA TM X-73689, National Aeronautics and Space Administration (1977).