TY - GEN AU - Cummings, T L AU - Horlick, J AU - Bullman, G W C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-1835 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Collaborative reference program for rubber ::Analyses no. 43 January - March 1980 ER -