TY - GEN AU - J M Crissman C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1988-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.88-3705 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1988 TI - Reference standard polyethylene resins and piping materials ::final report (October 1, 1986 - September 30, 1987) ER -