Gómez Bujedo, J., García García, A. and Pérez Fernández, V. (2014) “Failure to find symmetry in pigeons after multiple exemplar training”, Psicothema, 26(Número 4), pp. 435–441. Available at: https://reunido.uniovi.es/index.php/PST/article/view/10456 (Accessed: 19 May 2024).