TY - BOOK ID - 137492309 TI - Fractography of a 7178-T6 aluminum failed wing plank AU - Ballard, D. B. AU - United States. PY - 1968 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat KW - Airplanes KW - Wings KW - Stress corrosion. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137492309 AB - ER -