%0 Journal Article %A Sebold, J.-E. %A Lacerda, L.-A. %A Carrer, J.-A.-M. %D 2015 %J Computer Modeling in Engineering \& Sciences %@ 1526-1506 %V 106 %N 2 %P 127--145 %T An Error Estimator for the Finite Element Approximation of Plane and Cylindrical AcousticWaves %M doi:10.3970/cmes.2015.106.127 %U http://www.techscience.com/CMES/v106n2/27234