- "Análisis micropaleontológico de testigos sedimentarios del litoral de la Reserva de la Biosfera de Urdaibai, Servicio de la Reserva de la Biosfera de Urdaibai (Gobierno Vasco)" Servicio de la Reserva de la Biosfera de Urdaibai (Gobierno Vasco). 2020 - 2020
- "Recent sea-level variations on the Basque coast in the framework of the K-Egokitzen/Climate Change: Impact and Adaptation (Etortek)" Ihobe S.A..
- "Geological study of the Oka estuary section affected by the Gernika ring road (Urdaibai Biosphere Reserve)" Ingeniería Ambiental Basoinsa S.L..
- "Morphodinamical study of the lower Oka estuary (Mundaka-Ibarrangelu, Urdaibai Biosphere Reserve)" Basque Government.