Ristow, D. (1980). 3D-downward extrapolation of seismic data in particular by finite difference methods. Université d'Alger.
Lua i Stíl Chicago (17ú heag.)Ristow, Dietrich. 3D-downward Extrapolation of Seismic Data in Particular by Finite Difference Methods. Netherlands: Université d'Alger, 1980.
Lua MLA (8ú heag.)Ristow, Dietrich. 3D-downward Extrapolation of Seismic Data in Particular by Finite Difference Methods. Université d'Alger, 1980.
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