@misc{zerbst_some_developments_2009, 
author={Zerbst, U., Schwalbe, K.-H.},
title={Some Developments in Residual Strength Determination of Thin-walled Structures},
year={2009},
howpublished = {conference lecture: Noordwijk (NL);},
note = {Zerbst, U.; Schwalbe, K.: Some Developments in Residual Strength Determination of Thin-walled Structures. Workshop on Fracture Control of Spacecraft, Launchers and their Payloads and Experiments. Noordwijk (NL), 2009.}}