Description
| Published: | Vol. 1, 1 (1955)-49/2 (2003). |
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| Physical Description: | 49 v. : ill. ; 26 cm.
Also available online. |
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| Publication Frequency: | Quarterly |
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| Bibliography: | Includes bibliographical references. |
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| ISSN: | 0035-2012 |
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| Language: | English, French, German, Italian, or Spanish. |
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| Additional Physical Form available Note: | Also available online. |
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| Numbering Peculiarities Note: | Some numbers combined. |
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