1. CO2 absorption employing hot potassium carbonate solution;Benson;Chem. Eng. Prog.,1954
2. Improved process for CO2 absorption using hot carbonate solution;Benson;Chem. Eng. Prog.,1956
3. New data for hot carbonate process;Benson;Petrol. Refinery,1960
4. Improved benfield process;Benson;Hydrol. Process.,1974
5. Giammarco–Vetrocoke processes;Riesenfield;Petrol. Refinery,1959