Certification requirements.
- Publisher: Iowa Crop Improvement Association
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 3362677
- Subject: Seeds Certification.
- Subject code: S
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1945-59; 1960-74; 1975-83 | permanent |