Ying Liu, Wen-Zheng Jiang, Dynamic Properties of Density Graded Thin-Walled Metal Hollow Spheres, Blucher Material Science Proceedings, Volume 1, 2014, Pages 15-15, ISSN 23589337, http://dx.doi.org/ (www.proceedings.blucher.com.br/article-details/dynamic-properties-of-density-graded-thin-walled-metal-hollow-spheres-10716) Palavras-chave:: ;