TY - GEN AU - Cummings, T L AU - Horlick, J AU - Bullman, G W C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1979-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.79-1811 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Collaborative reference program for rubber ::analyses no. 41 July-September 1979 ER -