000 00338nam a2200133 4500
999 _c4119
_d4119
008 200717b ||||| |||| 00| 0 eng d
082 0 0 _a623.856
_bH6779
110 _9730
_aH.M.S.O
245 1 0 _aInternational code of signals /
260 _aLondon
_bHMSO
_c1969
300 _axv, 149 p.
650 0 _aSignals and signaling
942 _2ddc
_cBK