| ID | 197195 |
| Call Number | X9(J):2.73.N7/K8/123874 |
| Title Proper | Estimation and imputation of crop yield advances by states and regions |
| Language | ENG |
| Author | Heady, Earl O. ; Ludwig, Auer |
| Publication | Ames, Iowa State University. Iowa Agriculture and Home Economics Exp. Station, 1968. |
| Description | 213-251p 28 cm |
| Series | Research Bulletin, 563 |
| Price. Qualification | GIPE Gift |
| Classification Number | X9(J):2.73.N7 |