| 000 | 00560 a2200265 4500 | ||
|---|---|---|---|
| 001 | 10291 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a621.391.8 Uni | ||
| 245 | _aSelf-calibrating threshold detector | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bNASA , | ||
| 260 | _c1979 | ||
| 300 | _a12 p. | ||
| 300 | _c27 cm | ||
| 490 | _a | ||
| 100 | _aUnited States. National Aeronautics and Space Administration | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aSignal detection | ||
| 650 | _aDetectors-Calibration | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c12209 _d12209 |
||