@misc{arnold_an_efficient_2009, 
author={Arnold, A.,Mosler, J.,Reichling, S.,Khaled, W.,Bruhns, O.T.},
title={An efficient quantitative ultrasonic elastography based on variational mesh refinement},
year={2009},
howpublished = {conference lecture: Bremen (D); 31.03.-04.04.2008},
note = {Online available at: \url{} (DOI). Arnold, A.; Mosler, J.; Reichling, S.; Khaled, W.; Bruhns, O.: An efficient quantitative ultrasonic elastography based on variational mesh refinement. 79th Annual Meeting of the International Association of Applied Mathematics and Mechanics, GAMM 2008. Bremen (D), 2009.}}