| 其他書名 | By Erwin F. Smith, Pathologist in Charge of Laboratory of Plant Pathology, and Nellie A. Brown and Lucia McCulloch, Scientific Assistants |
| 出版 | U.S. Government Printing Office, 1912 |
| URL | http://books.google.com.hk/books?id=PyDOzwEACAAJ&hl=&source=gbs_api |