Findley, William Nichols [and others] Creep and relaxation of nonlinear viscoelastic materials. - Amsterdam : North-Holland publ. co., 1976. - 367 p. - North-Holland series in applied mathematics and mechanics . - North-Holland series in applied mathematics and mechanics . Apendices y bibliografia: p. 304-360 Subjects--Topical Terms: VISCOELASTICIDADDEFORMACION BAJO CARGA CONSTANTE