Multiple Quantum <sup>27</sup>Al Magic-Angle-Spinning Nuclear Magnetic Resonance Spectroscopic Study of SrAl<sub>12</sub>O<sub>19</sub>: Identification of a <sup>27</sup>Al Resonance from a Well-Defined AlO<sub>5</sub> SiteS. R. Jansen, Gerda H. Nachtegaal, R. Metselaar et al.|The Journal of Physical Chemistry B|1998Cited by 56