@book{ BA07852964, author = "Ulrich, Haeberlen", title = "High resolution NMR in solids : selective averaging", publisher = "Academic Press", year = "1976", series = "Advances in magnetic resonance / edited by John S. Waugh", number = "Suppl. 1", URL = "http://ci.nii.ac.jp/ncid/BA07852964" }