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Author/Creator
- SpringerLink (Online service)677
- Infobase, film distributor74
- Library of Congress. Congressional Research Service74
- ebrary, Inc70
- United States57
- United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Oceanography55
- United States. Congress. House37
- Yale University33
- Films for the Humanities & Sciences (Firm)31
- Infobase31
- SPIE Digital Library28
- National Oceanographic Data Center (U.S.)22
- Palomar Community College District (Firm)22
- SPIE (Society)22
- Scripps Institution of Oceanography21
- Society of Photo-optical Instrumentation Engineers21
- United States. National Oceanic and Atmospheric Administration21
- United States. Congress. House. Committee on Merchant Marine and Fisheries. (1935- )17
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation17
- Geological Survey (U.S.)16