@misc{1182941, author = {T L Cummings and J Horlick and G W Bullman}, title = {Collaborative reference program for rubber ::analyses no. 41 July-September 1979}, year = {1979}, month = {1979-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.79-1811}, language = {en}, }