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000000794 035__ $$a786
000000794 037__ $$aGENERAL
000000794 245__ $$aLIGHTHOUSES & FOG SIGNALS
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000000794 520__ $$aThe recorded history of the Institute, technical papers, documented discussion and author reply.
000000794 773__ $$tTransactions$$j15$$k1
000000794 8564_ $$946cc2eba-8236-464a-9850-cb63cad57145$$s1531394$$uhttps://library.imarest.org/record/794/files/786.pdf