Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) N. Bekkedahl and H. Matheson,"Heat capacity, entropy, and free energy of rubber hydrocarbon",Journal of Research of the National Bureau of Standards,0091-0635,National Institute of Standards and Technology (NIST),1935-11,15,5,503,https://cir.nii.ac.jp/crid/1363670320844775296,https://doi.org/10.6028/jres.015.034