Helpful microorganisms /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cleveland :
World Pub. Co.,
[1968]
|
| Subjects: |
| Physical Description: | 192 pages : illustrations ; 22 cm. |
|---|
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cleveland :
World Pub. Co.,
[1968]
|
| Subjects: |
| Physical Description: | 192 pages : illustrations ; 22 cm. |
|---|