Los resortes
By: adaptación al español por Mamie M. Contreras ; escrito por Harlan Wade ; conceptos e ilus. por Denis Wrigley.
Contributors: Wade, Harlan.; Wrigley, Denis.
Series: Her Un libro sobre
Publisher: Raintree Childrens Books
Published: 1979
Place of publication: Milwaukee
Language: spa
Number of pages: 32
Subjects: Springs (Mechanism) -- Juvenile literature.; Springs (Mechanism); Spanish language materials.
Description: Easy-to-read text explains the basic concepts of springs and how they operate in such things as toys, clocks, and chairs.
Notes: Adaptation of Springs.