Where Obermaier left off: excavating the unknown sequence of the early Middle Palaeolithic at El Castillo - Juan Marín; David M. Martín-Perea; Adrián Álvarez; Martina Demuro; Lee J. Arnold; Irene Solano-Megías; Natalia Abellán; José Manuel Maíllo-Fernández (65th Conference of The Hugo Obermaier Society, Hybrid, 2024)