000 | 00321pam a2200133a 44500 | ||
---|---|---|---|
082 |
_aNASA _bTN D-1421 |
||
100 | _aRochelle,R W | ||
245 | 1 | _aPULSE FREQUENCY MODULATION | |
260 |
_a _bNasa, Washington, D.C. _c1962 |
||
300 | _a11 | ||
500 | _aBound With Nasatn D-1422-1430 | ||
964 | _gCIRC | ||
997 | _a65542 C | ||
999 |
_c448394 _d448394 |