TY - RPRT TI - Standard Reference Materials : The characterization of linear polyethylene SRM's 1482, 1483, and 1484/ AU - Wagner, Herman L AU - Verdier, Peter H PY - 1978 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-61 DO - 10.6028/NBS.SP.260-61 ER -