Paquicefalosaurio
By: por Janet Riehecky ; ilustraciones de Llyn Hunter.
Contributors: Hunter, Llyn, ill.
Publisher: Child's World
Published: 1994
Place of publication: Plymouth, MN
Language: spa
Number of pages: 32
Subjects: Pachycephalosaurus -- Juvenile literature.; Pachycephalosaurus.; Dinosaurs.; Spanish language materials.