Schultz M K, Burnett W C, Inn K G W, Thomas J W L, Lin Zhichao
Environmental Radioactivity Measurement Facility, Department of Oceanography, Florida State University, Tallahassee, FL 32306-3048.
Radioactivity Group, Ionizing Radiation Division, Physics Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899-0001.
J Res Natl Inst Stand Technol. 1996 Sep-Oct;101(5):707-715. doi: 10.6028/jres.101.069.