| 其他書名 | A Computer Model of the Operational Aspects of Bulk Harvest and Handling of Sweet Potatoes and Other Crops, Program Description and Application Manual |
| 出版 | North Carolina Agricultural Experiment Station, 1978 |
| URL | http://books.google.com.hk/books?id=hMNQAQAAMAAJ&hl=&source=gbs_api |