| 其他書名 | A Thesis Presented in Partial Fulfilment of the Requirements for the Degree of Master of Agricultural Science at Massey University, New Zealand |
| 出版 | Massey University, Palmerston North, 1981 |
| URL | http://books.google.com.hk/books?id=ss9JMQAACAAJ&hl=&source=gbs_api |