Cristina Hernández Marti Pérez has recently published a book on damages calculation for trade mark infringement in Spain. The book has been published by Tirant Lo Blanch and is currently just available in Spanish.

https://www.tirant.com/editorial/libro/la-determinacion-de-los-danos-y-perjuicios-en-materia-de-marcas-cristina-hernandez-marti-perez-9788491902058