00560nam a22001337a 4500 4107 4107 200717b ||||| |||| 00| 0 eng d 623.8884 I339 76 International Maritime Organization Amendment No. 6 to the fifth edition of Ship's routeing : amendments adopted by the Maritime Safety Committee at its fifty-second session(January 1986) / London International Maritime Organization 1986 viii, 50 p. Navigation--Safety measures BK 0 0 ddc 0 623_888400000000000_I339 0 11964 CL CL 2020-07-17 623.8884 I339 07576 2020-07-17 BK