Duro o blando
By: Charlotte Guillain.
Series: Las propiedades de los materiales
Publisher: Heinemann Library
Published: 2009
Place of publication: Chicago, Ill
Language: spa
ISBN-13: 9781432942380; 9781432942465
Subjects: Hardness -- Juvenile literature; Hard materials -- Juvenile literature
Genres: Juvenile literature
Work titles: Hard or soft.
Notes: Includes index.