title: Chemistry. Nuclear spin conversion in molecules.
authors.affiliation: Optical Technology Division, National Institute of Standards and Technology, Gaithersburg, MD 20899-8441, USA. jon.hougen@nist.gov
authors.forename: Jon T
authors.initials: JT
authors.lastname: Hougen
authors.forename: Takeshi
authors.initials: T
authors.lastname: Oka