| 其他書名 | A Study of Stylistic Variation in a Nilotic Industry |
| 出版 | Department of Anthropology, Institute for the Study of Earth and Man, Southern Methodist University, 1979 |
| ISBN | 08964311189780896431119 |
| URL | http://books.google.com.hk/books?id=QppFAAAAMAAJ&hl=&source=gbs_api |