000 00369nam a22001457a 4500
999 _c4288
_d4288
008 200730b ||||| |||| 00| 0 eng d
082 0 0 _a914.1445
_bR974
100 _93496
_aRuther, R. A.
245 1 0 _aVisual signal guide
_cby R. A. Ruther
260 _aLondon
_bMarine press
_c1950
300 _a50 p.
365 _d3.12
650 0 _aSignals and signaling
942 _cBK