C. W. Saldanha, E. L. Missio, G. P. K. Steffen, J. Maldaner, and R. M. de Morais, “Weight is a key factor in the physiological quality of Parapiptadenia rigida seeds”, Pesq. flor. bras., vol. 38, Jul. 2018, doi: 10.4336/2018.pfb.38e201701501.