Cessna, J. T.Fitzgerald, R.Zimmerman, B. E.Joseph, L.Ravindra, A.Kulkarni, D. N.2018-07-202018-07-202018Applied Radiation and Isotopes, 2018. Vol. 134: pp. 385-390http://hdl.handle.net/123456789/165894553 bytestext/htmlenInternational comparisonEquivalenceGermanium-68Gallium-68Results of an international comparison of activity measurements of 68GeArticle