Saber cómo viven, para qué sirven
By: [dirección editorial, Ramón Lleonart].
Contributors: Lleonart, Ramón.
Series: Enciclopedia fundamental ; v. 3
Publisher: A. Ortells Ferríz
Published: 1974
Place of publication: Valencia
Language: spa
Number of pages: 152
Subjects: Zoology -- Juvenile literature.; Geology -- Juvenile literature.
Notes: Includes index.