1. Ciccerone, R. J., “Atmospheric Carbon Tetrafluoride: A Nearly Inert Gas,” Science, 206 (1979), 59–60.
2. Khalil, M. A. K. and Rasmussen, R. A., “Atmospheric Carbon Tetrafluoride (CF4): Sources and Trends,” Geophysical Research Letters, 12 (1985), 671–672.
3. Alcoa Technical Report, 1990–06–03;CN Cochran,1990
4. Kozarek, R. L. and Sharkins, A. J., “CF4 Evolution from Badin Hall Cells,” Alcoa Internal Report, 1980–06–16 (1980).
5. Eller, M. E., “Measurement of Carbon Tetrafluoride in Pot Off Gas and A-398 Reactor,” Alcoa Internal Report 93–84–006(1984).