TY - RPRT TI - Recertification of the SRM 1482a: a polyethylene AU - Guttman, C M AU - Blair, W R AU - Maurey, J R PY - 1997 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6054 DO - 10.6028/NIST.IR.6054 ER -