1. BROWN, W. E., IRE TRANSACTIONS ON INSTRUMENTATION 11: 86 (1962).
2. Space Materials Handbook 1962
3. JET PROPULSION LABORATORY TECHNIAL REPORT 1963 32-325 Sterilization of Unmanned Planetary and Lunar Space Vehicles: An Engineering Examination
4. JET PROPULSION LABORATORY TECHNIAL REPORT 1961 32-510 Behavior of Materials in Space Environments
5. JAMES, J.N., VOYAGE OF MARINER II, SCIENTIFIC AMERICAN 209: 70 (1963).