@misc{indiciaef33d37487b17, title = {Reference materials for neptunium determination}, author = {Jerome, S. M. and Carney, K. and Essex, R. and Fassbender, M. E. and Goldberg, S. and Kinlaw, M. and LaMont, S. P. and Mackney, D. and Morrison, J. J. and Nortier, F. M.}, year = {2017}, doi = {10.1016/j.apradiso.2016.12.050}, url = {https://www.osti.gov/biblio/1550641}, note = {Source identifier: 1550641} }