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- [4] SENSITIVITY OF 30-CM MERCURY BOMBARDMENT ION-THRUSTER CHARACTERISTICS TO ACCELERATOR GRID DESIGN ASTRONAUTICS & AERONAUTICS, 1978, 16 (12): : B20 - B20
- [6] EFFECT OF FACILITY BACKGROUND GASES ON INTERNAL EROSION OF 30-CM HG ION-THRUSTER ASTRONAUTICS & AERONAUTICS, 1978, 16 (12): : B19 - B19