General report [presented at] 23rd International Navigation Congress, Ottawa, 1973.
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| 企业作者: | , |
| 格式: | 会议录 图书 |
| 语言: | English |
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Brussels, Belgium :
General Secretariat of Permanent International Association of Navigation Congresses,
[1973?].
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| 实物描述: | 16 p. |
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