| ID | 282995 |
| Call Number | X:e/H7/014191 |
| Title Proper | Industrial study economic progress |
| Language | ENG |
| Author | Davis, Hiram S. |
| Publication | University of Pennsylvania, University of Pennsylvania Press, 1947. |
| Description | 187p 23 cm |
| Series | Industrial Research Studies, No.33 |
| Price. Qualification | $2.75 |
| Classification Number | X:e |