| 000 | 00318nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 230913b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aNasa technical note | ||
| 260 |
_aWashington _bNational aeronautics and space administration _c1971 |
||
| 942 |
_cBK _2udc |
||
| 999 |
_c65499 _d65499 |
||