Dr. Guillermo Seijas · G.S. · Guilermo Seijas · Guillermo Seijas Albir
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Anatomie & Stretching: Muskeln in Aktion | 978-3-89899-987-8 (3-89899-987-4) | 2016 |
| I 100 migliori esercizi di stretching | 978-88-98574-25-4 (88-98574-25-8) | 2015 |