Institution: | 1. Materials Division , George G. Marshall Space Flight Center , Huntsville , Alabama , 35812;2. Veterans Administration Hospital , Tucson , Arizona , 85713;3. Space Sciences Laboratory , General Electric Company , Valley Forge , Pennsylvania , 19481;4. Department of Medicine , New York University , New York , New York , 10016;5. Center for Surface and Coatings Research , Lehigh University , Bethlehem , Pennsylvania , 18015 |