Hayn, W. (1970) “Ceutorhynchus leprieuri Brisout und Ceutorhynchus sulcicollis Paykull (Coleoptera: Curculionidae)”., Contributions to Entomology = Beiträge zur Entomologie, 20(3-4), pp. 225–300. doi:10.21248/contrib.entomol.20.3-4.225-300.