@misc{heerens_characterization_of_1991, 
author={Heerens, J.,Petrovski, B.,Schwalbe, K.-H.},
title={Characterization of cleavage fracture in the ductile to brittle fracture transition region using side grooved CT-specimen},
year={1991},
howpublished = {conference paper,conference lecture: Magdeburg (D); 28.-30. August 1991},
note = {Online available at: \url{} (DOI). Heerens, J.; Petrovski, B.; Schwalbe, K.: Characterization of cleavage fracture in the ductile to brittle fracture transition region using side grooved CT-specimen. In: IX. Symposium Verformung und Bruch; Teil I. Magdeburg (D). 1991. 74-75.}}