Los Alamos Study Group, "Plutonium Explosions on a Mesa Near You - DARHT at Los Alamos," paid advertisement in the Santa Fe Reporter, 5/14/99.  (Additional Technical Background).

Los Alamos Study Group, "Remarks on LANL's 1970 Plutonium Hazard Evaluation for GMX-11 Confinement Experiments," 2/22/99.  (Original LANL memo).

DARHT Considerations, Seymour Sack, Lawrence Livermore National Laboratory, 1992.