| Main Author: | Janssen, B. H. |
|---|---|
| Format: | Kitap |
| Language: | English |
| Published: |
Wageningen :
Centre for Agricultural Publishing and documentation,
1970.
|
| Subjects: |
| Physical Description: | 113 s. ; 21 cm. |
|---|---|
| Bibliography: | Kaynakça vardır. |
