| 其他書名 | Cone and Seed Production, Germination, and Seedling Survival |
| 出版 | Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978 |
| URL | http://books.google.com.hk/books?id=rHVGAQAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |