de Almeida, M. and de Almeida, C. V. (2006) “Somatic embryogenesis and in vitro plant regeneration from pejibaye adult plant leaf primordia”, Pesquisa Agropecuaria Brasileira, 41(9), pp. 1449–1452. doi: 10.1590/S1678-3921.pab2006.v41.7302.