Pisadas fósiles de dinosaurios (algunos ejemplos de enciso)
By: Félix Pérez-Lorente, Arturo Fernández Ortega ; fotografías de Lino Uruñuela.
Contributors: Fernández Ortega, Arturo.
Publisher: Gobierno de La Rioja, Consejería de Educación, Cultura y Deportes
Published: 1986
Place of publication: [Logroño]
Language: spa
Number of pages: 35
Subjects: Footprints, Fossil -- Spain -- Ebro River Valley.; Paleontology -- Spain -- Ebro River Valley.
Notes: Map on folded leaf laid in.