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