J. A. López, P. A. Scarabotti, M. C. Medrano, and R. Ghirardi, “Is the red spotted green frog Hypsiboas punctatus (Anura: Hylidae) selecting its preys? The importance of prey availability”, Rev. Biol. Trop., vol. 57, no. 3, p. 847−857, Sep. 2009.