2009 - Sobre Las Revoluciones/ About Revolutions [Clasicos Del Pensamiento/ Classical Thought - Spanish Edition] (Paperback) ISBN-13: 9788430949427 ISBN-10: 8430949429 Genre: Nonfiction ? 2005 - Opusculos Sobre El Movimiento De La Tierra / Treatise About the Movement of the Earth [El Libro De Bolsillo Lb - Spanish Edition] (Paperback) ISBN-13: 9788420699530 ISBN-10: 8420699535 Genres: Nonfiction, Science & Math ? |