@misc{knudsen_symptom_free_1990, 
author={Knudsen, G.,Hope, A.,Padbury, E. H.,Luther, G.,Fock, H.,Heineke, M.,Rinck, H.},
title={Symptom free cooling after breathing cooled gas at 46 bar},
year={1990},
howpublished = {report},
note = {Online available at: \url{} (DOI). Knudsen, G.; Hope, A.; Padbury, E.; Luther, G.; Fock, H.; Heineke, M.; Rinck, H.: Symptom free cooling after breathing cooled gas at 46 bar. 1990.}}