The ancient engineers /
De Camp, L. Sprague 1907-2000
The ancient engineers / L. Sprague de Camp. - New York : Dorset Press, 1990. - 408 p.
0-88029-456-6
Engineering--History
The ancient engineers / L. Sprague de Camp. - New York : Dorset Press, 1990. - 408 p.
0-88029-456-6
Engineering--History