@misc{schwalbe_introduction__2007, 
author={Schwalbe, K.-H.},
title={Introduction},
year={2007},
howpublished = {book part},
note = {Online available at: \url{} (DOI). Schwalbe, K.: Introduction. In: Schwalbe, K. (Ed.): Comprehensive Structural Integrity, Addendum 2007: Mechanical Characterization of Materials. Oxford UK: Elsevier. 2007. 1-2.}}