TY - RPRT TI - Semi annual report on wide plate crack arrest testing AU - deWit, R AU - Low, S R, III AU - Hicho, G E AU - Harne, D E AU - Fields, R J PY - 1984 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 84-2965 DO - 10.6028/NBS.IR.84-2965 ER -