| Main Author: | Hopkins, John A. 1897- |
|---|---|
| Other Authors: | Heady, Earl Orel, 1916- |
| Format: | Kitap |
| Language: | English |
| Published: |
Ames :
Iowa State University Press,
1962.
|
| Edition: | 5 bs. |
| Subjects: |
| Physical Description: | 377 s. ; 24 cm. |
|---|
