Bönsel, A. (2004) “Ethological and morphological adaptations of Psophus stridulus Linnaeus 1758 to habitat islands (Caelifera: Acrididae)”., Contributions to Entomology = Beiträge zur Entomologie, 54(1), pp. 241–253. doi:10.21248/contrib.entomol.54.1.241-253.