Number | Name | Date | Kind |
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4220550 | Frenier | Sep 1980 |
Entry |
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Gregory, T. C.: Uses and Applications of Chemicals and Related Materials-vol. II, Reinhold Publishing, N.Y., 1944, p. 157. |
The Merck Index-Ninth Edition, published by Merck, Rahway, N.J., 1976, p. 4353. |