Frog genus Atelopus in Ecuador (Anura : Bufonidae)
Peters, J.A.
Frog genus Atelopus in Ecuador (Anura : Bufonidae) - Washington 1973 - 49 p. - No. 145; Smithsonian Contribut .
Frog genus Atelopus in Ecuador (Anura : Bufonidae) - Washington 1973 - 49 p. - No. 145; Smithsonian Contribut .