Span.
| Corporate Author: | |
|---|---|
| Format: | Journal |
| Language: | English |
| Published: |
London :
Shell International Chemical Co.
|
| Subjects: | |
| Online Availability: |
|
| Published: | v. 1- April 1958- Ceased with Apr. 1988. |
|---|---|
| Item Description: | Progress in agriculture. Frequency varies: quarterly, 1958-61; 3 nos. a year, 1962- |
| Physical Description: | illustrations ; 28-30 cm. |
| Publication Frequency: | 3 no. a year, 19 - |
| ISSN: | 0584-8024 |