Matthies, Andrea L. |
Medieval treadwheels : artists' views of building construction / Andrea L. Matthies. |
In: Technology and culture Vol. 33 (1992), p. 510-547 |
Matthies, Andrea L. |
The medieval wheelbarrow / Andrea L. Matthies. |
In: Technology and culture Vol. 32 (1991), p. 356-364 |