TY - RPRT TI - Metallurgical examination and mechanical tests of material from the Point Pleasant, W. Va. Bridge: part 7 - examination of fractured rivets in the bearing box of joint U13N (revised) AU - Feinberg, I J PY - 1970 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 9981p7 DO - 10.6028/NBS.RPT.9981p7 ER -