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Florian, Mary-Lou E. (1992), pp. 40-41
Sánchez-Monge, Enrique (2001), p. 512
Perego, François (2005), pp. 238-240
Xarrié, Mireia (2006), t. I, pp. 53-54
Hall, C.; Davies, M. (1968), pp. 20-21
Figuerola, Miguel (1998), p. 16
Gacén Guillén, Joaquín (1991), pp. 155-163