The Guinardera quarry (Sant Marti de Tous, Barcelona): A new chert exploitation location during historical times

1. Gomez de Soler, Bruno
2. Soares-Remiseiro, Miguel
3. Arteaga-Brieba, Andion
4. Borras, Gisela
5. Camara, Javier
6. Campeny, Gerard
7. Chacon, M. Gema
8. Luis Fernandez-Marchena, Juan
9. Guinart, Vicenc
10. Lopez, Gerard
11. Mas, Barbara
12. Soto, Maria
13. Suesta, Alfredo
14. Shkarinska, Kateryna
15. Ramirez-Pedraza, Ivan
16. Val-Peon, Cristina
17. Vallverdu, Josep