@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 = {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.}}