Reference
Isabelle Maiditsch, H. Christoph Liedtke, Jacob M. Ng'Wava, Walter Hödl (2011): Advertisement and close-range encounter call
of Arthroleptis schubotzi NiedeN, 1911,
with notes on phonotaxis and sexual dimorphism
in the third manual digit
(Anura: Arthroleptidae). – Herpetozoa – 24_1_2: 23 - 31.