Briceño, R. D. “Genitalic Structure and Copulation in <i>Paralabella dorsalis</i≫ (Dermapter: Labbidae)”. Revista De Biología Tropical, vol. 45, no. 3, Sept. 1997, pp. 1107–1116, https://revistas.ucr.ac.cr/index.php/rbt/article/view/21132.