Bibliography
Monahan, W. B., R. Pereira, and D. B. Wake . 2012. Ring distributions leading to species formation: a global topographic analysis of geographic barriers associated with ring species. BMC Biology 10 (20): 1-22.
Monahan, W. B., R. Pereira, and D. B. Wake . 2012. Ring distributions leading to species formation: a global topographic analysis of geographic barriers associated with ring species. BMC Biology 10 (20): 1-22.
