| Other Title | Inventions and discoveries |
| GMD | Book |
| Language | E |
| Corporate Author | Williams, Brenda |
| Classification | 502.8 WIL |
| Publisher | World Book, Inc., Chicago, 1996 |
| Series | World book looks at# |
| Description | 64 p.;color ill.;25 cm.; |
| ISBN | 071665802x |
| Additional ISBN | 0716658054 |