RT Journal Article SR Electronic(1) A1 Oliveira, R.YR 1991 T1 Método de Fourier com Aproximaçăo de Alta Ordem no Tempo e Transformada Rápida de Hartley no Espaço JF , VO OP SP cp-316-00146 DO https://doi.org/10.3997/2214-4609-pdb.316.146 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.316.146