| 000 | 00495nam a2200169 454500 | ||
|---|---|---|---|
| 008 | 160721b1969 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_aNASA _bTN D-5241 |
||
| 100 | 1 | _aSOMMER,ROBERT W | |
| 245 | 1 | _aEVALUATION OF A CONTACT-ANALOG DISPLAY IN LANDING APPROACHES WITH A HELICOPTER | |
| 260 |
_bNASA, WASHINGTON, D.C. _c1969 |
||
| 300 | _a,25,,,,,, | ||
| 500 | _aBound with NASA TN D-5242-5250 | ||
| 700 | _aDUNHAM, JR,R EARL | ||
| 964 | _gCIRC | ||
| 997 | _a101148 C | ||
| 998 |
_c9409 _d9409 |
||
| 999 |
_c483200 _d483200 |
||