@misc{schwalbe_application_of_1991, 
author={Schwalbe, K.-H., Grueter, L.},
title={Application of the engineering treatment model (ETM) to the prediction of the behaviour of a circumferentially cracked pipe},
year={1991},
howpublished = {conference lecture: The Hague (NL);},
note = {Schwalbe, K.; Grueter, L.: Application of the engineering treatment model (ETM) to the prediction of the behaviour of a circumferentially cracked pipe. International Institute of Welding (IIW): 1991 Annual Assembly; International Conference Joining/Welding 2000. The Hague (NL), 1991.}}