000			00440pam a2200145a 44500
082			_a621.38411 _bD855p
100			_aDu Castel, Francois
245	1		_aPROPAGATION TROPOSPHERIC ET FAISCEAUX HERTZIENS TRANSHORIZON, TELECOMMUNICATIONS PAR STATELLITES
260			_aParis _bEditions Chiron _c1961
300			_a512
650			_aTropospheric Radio Wave Propagation
650			_aTelecommunications
964			_gCIRC
997			_a50733 s C
999			_c417606 _d417606