Ferrando, Bartolomé. “On Fragments, Repetition, Rhythm, Permutation, Randomness and Vagueness in Phonetic and Sonorous Poetry”. Revista de Bellas Artes. Artes Plásticas, Estética, Diseño E Imagen, no. 6, Apr. 2008, pp. 59-67, https://www.ull.es/revistas/index.php/artes/article/view/6626.