Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Matthew S. Shannon and Jason M. Tedstone and Scott P. O. Danielsen and Michelle S. Hindman and A. Christopher Irvin and Jason E. Bara,Free Volume as the Basis of Gas Solubility and Selectivity in Imidazolium-Based Ionic Liquids,Industrial & Engineering Chemistry Research,0888-5885,American Chemical Society (ACS),2012-04-05,51,15,5565-5576,https://cir.nii.ac.jp/crid/1363107369483735552,https://doi.org/10.1021/ie202916e