Delwedd Flaen

The book of inventions how'd they come up with that

Manylion Llyfryddiaeth
Prif Awdur: Harrison, Ian 1965-
Fformat: Llyfr
Iaith:Saesneg
Cyhoeddwyd: Washington, D.C. National Geographic c2004.
Pynciau:
Inventions > History.
Inventors > Biography.