TY - RPRT TI - Determination of the degree of polymerization of a polymeric aromatic amine from MNR data using a "least-squares" approach : progress report AU - Argentar, H PY - 1971 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 10422 DO - 10.6028/NBS.RPT.10422 ER -