Krey, P W; Feiner, M S;  McInroy, J; Miligo, J;  Inn, K G.W.; Hutchinson, J M.R. 
- Department of Energy, New York, NY (United States). Environmental Measurements Lab.
- Los Alamos National Lab., NM (United States)
- National Inst. of Standards and Technology (BFRL), Gaithersburg, MD (United States)