Helmut W. Fischer, Bernd Hettwig, and Tom Bielefeld presented "85Kr in Industrial Krypton Gas: Origin, Identification and Dosimetry" at the Third European IRPA Congress in June 2010. They reported on a case of transcontinental transport of krypton gas, triggering of a radiation alarm and subsequent in situ measurement by different radiometric techniques.
Journal Article, Health Physics, issue 1, volume 99
Helmut W. Fischer, Tom Bielefeld, and Bernd Hettwig's article "Krypton Gas Cylinders as a Source of Radiation" was published in Health Physics. Their article proposes to improve labeling and documentation standards for cargo shipments of pressurized krypton gas.