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- [6] Effect of extra-framework aluminum in zeolite ZSM-5 on its cracking properties Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section), 14 (03): : 85 - 88
- [9] STUDY ON THE EXTRA-FRAMEWORK ALUMINUM IN REUSY ZEOLITES CHINESE SCIENCE BULLETIN, 1993, 38 (17): : 1446 - 1450