Proceedings of the second workshop ... held at the school of Dentisty, Universty of Pennsylvania, on January 9-11, 1961
| Erakunde egilea: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Philadelphia
School of Dentistry, University of Pennsylvania
1961
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| Gaiak: |