000 00273 a2200109 4500
082 _a629.555
_bIn8p6
245 1 _aPROCEDURES FOR AIR NAVIGATION SERVICES
_cRADIOTELEPHONY PROCEDURES
250 _a6th
260 _aCanada
_bIcao
_c1963
964 _gCIRC
997 _a32496 s C
999 _c456038
_d456038