IGY data on upper air (radiosonde) observations.
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- OCLC Number: 213716457
- Subject: Upper atmosphere.
- Subject code: QC
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Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1960-1962; 1964-65 | permanent |