| Imprint |
[Garden City, N.Y.]: [N. Doubleday], 1968. |
|
| Description |
64 pages: illustrations (some color), color plans; 21 cm |
| Content |
text txt |
| Media |
unmediated n |
| Carrier |
volume nc |
| Note |
"Prepared with the co-operation of Science Service." |
| Subject(s) |
Bridges.
|
| Alternate Author |
Science Service.
|
|