00852nam0-22002771i-450-99000063885040332120060619083433.0000063885FED01000063885(Aleph)000063885FED0100006388520020821d1969----km-y0itay50------baengy-------001yyResearch in materialsannual report 1968-1969M.I.T. Massachusetts Institute of TechnologyCambridge (Mass.)Massachusetts Institute of Technology1969XII, 385 p.25 cmM.I.T. Report18Massachusetts Institute of Technology22620ITUNINARICAUNIMARCBK99000063885040332101 H 20213082DINSTDINSTResearch in materials314745UNINA