000 00302pam a2200109a 44500
082 _aTR
_bRL-184
100 _aD. K. Baker
245 1 _aSimultaneous comparison at RF probe techniques for determination of lonospheric electron density
260 _a
_b
_c
700 _aC. J. Ulwick
997 _aTR5523 C
999 _c405522
_d405522