@article {5034, title = {Hydrophobic dipeptide crystals: A promising Ag-free class of ultramicroporous materials showing argon/oxygen adsorption selectivity}, journal = {Physical Chemistry Chemical Physics}, volume = {16}, year = {2014}, month = {2014}, pages = {19386 - 19393}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84906536100\&partnerID=40\&md5=d640bb61d2f150f8d990b8c8f0d2f6e3}, author = {Afonso, R. and Mendes, A. and Gales, L.} }