| 000 | 00361pam a2200121a 44500 | ||
|---|---|---|---|
| 008 | 160510b xxu||||| |||| 00| 0 eng d | ||
| 082 | _aNASA SP-169 | ||
| 245 |
_aPROTECTION AGAINST SPACE RADIATION. _b |
||
| 260 |
_a _bNASA, WASHINGTON, D.C. _c1968 |
||
| 300 | _a,631,,,,,, | ||
| 650 | _aLiterature -- Bibliography | ||
| 650 | _aLanguages and languages -- Bibliography. | ||
| 999 |
_c480447 _d480447 |
||