| Title | The Alca Obsidian Source: The origin of raw material for Cuzco Type obsidian artifacts |
| Publication Type | Journal Article |
| Year of Publication | 1998 |
| Authors | Burger, R. L., Asaro F., Trawick P., & Stross F. |
| Journal | Andean Past |
| Volume | 5 |
| Pagination | 185-202 |