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Strength of Welded Aircraft Joints (1937)
NASA Technical Reports Server (NTRS) · leaf 22
STREKGTIL OK WKLDKO AIIU'IIAFT .lOfNTS FiuuijE li).—Lattice joiuts iiftcr failure.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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