Ulrich's international periodicals directory: a classified guide to current periodicals, foreign and domestic / Volume 1, Scientific, technical & medical
| Beste egile batzuk: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | Spanish English |
| Argitaratua: |
New York:
R.R. Bowker Company,
1965.
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| Edizioa: | Eleventh edition |
| Gaiak: |