@misc{liu_an_advanced_1993, 
author={Liu, H.,Dogan, B.},
title={An advanced control concept and algorithm for long-term data acquisition in high-temperature fracture mechanics tests},
year={1993},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Liu, H.; Dogan, B.: An advanced control concept and algorithm for long-term data acquisition in high-temperature fracture mechanics tests. Journal of Testing and Evaluation. 1993. vol. 21, no. 5, 351-357.}}