Observation balloon.
- Publisher: [publisher not identified]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9553038
- Subject:
- Subject code: A
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.3 1969; v.4 1970; v.5,no.1-2,v.6,no.1-3 1971-1972 | permanent |