Proceedings of the VIIIth International Conference on Lighthouses and Other Aids to Navigation, Stockholm, June 1970
International Conference on Lighthouses and Other Aids to Navigation ; 8 ; 1970 ; Stockholm International Conference on Lighthouses and Other Aids to Navigation ; 8 (Stockholm) : 1970.06.
1970
XXXVI, 235 S.
Ill.
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Conference Proceedings
English