http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Procurement of 2.75-inch aircraft rocket launchers
hearing, Ninety-first Congress, first session. December 5, 1969
Legislation and Military Operations Subcommittee.
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United States. Congress. House. Committee on Government Operations. Legislation and Military Operations Subcommittee.