| 000 | 00678 a2200241 4500 | ||
|---|---|---|---|
| 001 | 344501 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLNASA TN D 6507 : 1971 | ||
| 245 | _aIrradiation effects on manual sighting accuracy of a space-flight-rated sextant using simulated lunar and stellar targets | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bNational Aeronautics and Space Administration | ||
| 260 | _c1971 | ||
| 300 | _a26 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aNASA TN D 6507 : 1971 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aIrradiation effect, Sextant sightings, Optics, physiology, Visual phenomenon, Manual angle measurement | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c210824 _d210824 |
||