Reference

Lionel Monod, Lucie Cauwet, Edmundo Gonzalez-Santillan, Siegfried Huber (2017): The male sexual apparatus in the order Scorpiones (Arachnida): a comparative study of functional morphology as a tool to define hypotheses of homology – Frontiers in Zoology – 2017: 51-0001-51-0048.