1. Radiobiological Factors in Manned Space Flight,1967
2. Second Symposium on Protection Against Radiations in Space,1965
3. AP8 trapped proton environment for solar maximum and solar minimum;Sawyer;National Space Science Data Center Rept. NSSDC 76-06,1976
4. A preliminary study of the charged particle radiation for the satellite power system;Stassinopoulos,1979