1. The U.S. Solvent Cleaning Industry and the Transition to Non Ozone Depleting Substances;U.S. EPA,2004
2. Cleaning with Solvents;Durkee,2008
3. HCFC Phaseout Schedule;U.S. EPA,2012
4. Ionic liquids. Green solvents for the future;Earle;Pure Appl. Chem.,2000
5. Ionic Liquids;Rooney,2001