TY - RPRT TI - Investigation of the directional effects in the stress corrosion of aluminum alloys : final report AU - Kruger, J AU - Ugiansky, G M AU - Ambrose, J R PY - 1968 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 9821 DO - 10.6028/NBS.RPT.9821 ER -