The design and evaluation of an automated system for monitoring 133Xe in room air Meanwell, E. F. ; Gibson, C. J. ; Saunders, P. J. ; Diffey, B. L. Abstract Publication: Physics in Medicine and Biology Pub Date: April 1989 DOI: 10.1088/0031-9155/34/4/007 Bibcode: 1989PMB....34..483M