00444nam a2200121Ia 4500008004100000020001500041100002000056245016400076250001200240260004100252300001000293650001900303201231s9999    xx            000 0 und d  a0851743501  aMilligan, J. E. 0aBrown's signalling : how to learn the international code of visual and sound signals based on information contained in the 1969 international code of signals /  a9th ed.  aGlasgowbBrown, Son & Fergusonc1988  a202p. 0aSignalsxRadar