S. de M. Clemes, T. G. Santos, R. A. Rebelo, R. R. Laps, and R. Pescador, “Seasonality and hydrodistillation time effects on the yield and chemical composition of leaves essential oil of Piper mikanianum (Kunth) Steudel”, Eclet. Quim., vol. 40, no. 1, pp. 117–125, Sep. 2016.