S-R Bonds
| Autor: | Hight, Willis H., Scott, John A., Tyler, Leon L., Kamm, Robert B., Miller, Don J., Miller, Don, Toland, E. G., Lucas, W. Carman, Fisher, J. Sherrick, Foley, Louis, Dunham, Ralph E., Montgomery, Ray, Brion, John P. |
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| Zdroj: | The Phi Delta Kappan, 1953 Oct 01. 35(1), 80-80. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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