TY - RPRT TI - Mechanical behavior of ultra high molecular weight polythylene : fourth annual report for the period October 1, 1982 - September 30, 1983 AU - Crissman, J M PY - 1984 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 84-2808 DO - 10.6028/NBS.IR.84-2808 ER -