000 00312 a2200097 4500
100 1 _aGiraud, Alain.
_eAutor
700 1 _aPetit, Michel.
_eAutor
245 0 _aIonospheric Techniques and Phenomena /
_cGiraud Alain, Petit Michel.
710 2 _aReidel.
_eWydawca
_4pbl
260 _aDordrecht :
_bReidel,
_c1978.
300 _aXX, 264 s.;
_c24 cm.
999 _c6118
_d6118