| 其他書名 | An Abreviated Annual Report of the Cooperative Extension Service in Agriculture and Home Economics and the Iowa Agricultural and Home Economics Experiment Station for the Period July 1, 1963, Through June 30, 1964 |
| 出版 | College of Agriculture, Iowa State University of Science and Technology, 1964 |
| URL | http://books.google.com.hk/books?id=Da8TzgEACAAJ&hl=&source=gbs_api |