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Dyfyniad Arddull ChicagoOttosen, Niels Saabye. Nonlinear Finite Element Analysis of Concrete Structures. Roskilde, Denmark: Risø National Laboratory, 1981.
Dyfyniad MLAOttosen, Niels Saabye. Nonlinear Finite Element Analysis of Concrete Structures. Risø National Laboratory, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.