Polonium-210 and Plutonium-238 Radioisotope Shielding for Post- APOLLO Missions
Environmental Impact Statement for the Cassini Mission, Supplement 1
Properties of Selected Radioisotopes. A Bibliography, Part 1 - Unclassified Literature
Aerial Survey System for Sensing Low-Energy gamma-Ray Emitters in Weapon Materials
Final safety analysis report for the Ulysses mission. Volume 2, (Book 1) accident model document