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Flat sheet metal girders with very thin metal web. Part I : general theories and assumptions (1931)
NASA Technical Reports Server (NTRS) · leaf 42
H.A.C.A. Technical Memorandum Ho.604 Figs. 10., 12a, 136*0*5 i 2v€qsln(p Fig.11 … Fig.l2a Fig.12b P>90° p<90° I/O i EE 4^: o 150° 130°110°900 70° 50° P 4tL Fig.13NASA Technical Reports Server (NTRS)
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