| 其他書名 | A Thesis Presented in Partial Fulfilment of the Requirements for the Degree of Bachelor of Philosophy, at Massey University, Palmerston North, New Zealand |
| 出版 | Massey University, Palmerston North, New Zealand, 1986 |
| URL | http://books.google.com.hk/books?id=ZUiHMgAACAAJ&hl=&source=gbs_api |