Sobrinho, Severino de Paiva, et al. “Tolerance of Jenipapo Seeds to Cryoprotectants and Thawing After Immersion in Liquid Nitrogen”. Pesquisa Florestal Brasileira, vol. 37, no. 92, Dec. 2017, pp. 421-8, doi:10.4336/2017.pfb.37.92.1145.