Experimental and Theoretical Studies on Ion-Exchanged X-Zeolites as Catalysts for SI Engine Emission Control http://127.0.0.1/xmlui/handle/123456789/8181 Thu, 16 Apr 2026 16:16:52 GMT 2026-04-16T16:16:52Z Experimental and Theoretical Studies on Ion-Exchanged X-Zeolites as Catalysts for SI Engine Emission Control http://127.0.0.1/xmlui/handle/123456789/8182 Experimental and Theoretical Studies on Ion-Exchanged X-Zeolites as Catalysts for SI Engine Emission Control Das, Randip K. Fri, 01 Aug 1997 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/8182 1997-08-01T00:00:00Z