000 00334nam a22001337a 4500
020 _a0-408-00272-7
082 _a621.3848 SON
100 _aSONNENBERY, G. J
_975036
245 _aRADAR AND ELECTRONIC NAVIGATION
260 _aSYDNEY
_bBUTTERWORTH
_c1978
300 _a376P
650 _aELECTRONIC IN NAVIGATION
_975037
942 _cBK
999 _c580531
_d580531