Sube o baja?
By: Marcia S. Freeman.
Series: Ciencia y la ciudad
Publisher: Rourke Pub.
Published: 2006
Place of publication: Vero Beach, Fla
Language: spa
Subjects: Elevators -- Juvenile literature.; Staircases -- Juvenile literature.; Ramps (Walkways) -- Juvenile literature.
Genres: Juvenile literature.
Table of contents: title: Edificios de la ciudad; title: Subir y bajar; title: Rampas y escaleras; title: Poleas y elevadores; title: Glosario.