| 其他書名 | Papers Read at the Second Annual Meeting of the Cooperative Experiment Association of the Great Plains Area, Held at Manhattan, Kans., June 26-27, 1907 ... |
| 出版 | U.S. Government Printing Office, 1908 |
| URL | http://books.google.com.hk/books?id=3uCouwEACAAJ&hl=&source=gbs_api |