title: Direct evidence for the nonrandom nature of Al substitution in zeolite ZSM-5: an investigation by (27)Al MAS and MQ MAS NMR.
authors.affiliation: Magnetic Resonance Team, Korea Basic Science Institute (KBSI), Daejeon 305-333, Korea. ohhan@comp.kbsi.re.kr
authors.forename: Oc Hee
authors.initials: OH
authors.lastname: Han
authors.forename: Chang-Sam
authors.initials: CS
authors.lastname: Kim
authors.forename: Suk Bong
authors.initials: SB
authors.lastname: Hong