Systematics of Andean gladiator frogs of the Hypsiboas pulchellus species group (Anura, Hylidae)

1. Köhler, J.
2. Koscinski, D.
3. Padial, J.M.
4. Chaparro, J.C.
5. Handford, P.
6. Lougheed, S.C.
7. De La Riva, I.