Letters to the Editor.
| Autor: | Heilprin, Laurence M.1, Schmidt, R. F.2, Miller, Eugene3, Hammond, Wtilliam, Rosenborg, Stafan, Sullivan, Johnie |
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| Zdroj: | American Documentation. Oct1968, Vol. 19 Issue 4, p416-416. 1/6p. |
| Databáze: | Business Source Ultimate |
| Externí odkaz: |
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