NAVIGATION
Online ISSN : 2433-1198
ISSN-L : 0450-660X
On the Result of the Questionnaires of the Safety of Shipping Traffic and Fishing Operation : Especially in Fishing Boats in the Setonaikai and the Bungo Suido
Kojiro MOTOMURAYoshio SUMIKAWA
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RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS

1977 Volume 52 Pages 16-22

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© 1977 Japan Institute of Navigation
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