Protein resonance assignment at MAS frequencies approaching 100 kHz: a quantitative comparison of J-coupling and dipolar-coupling-based transfer methods - Penzel, Susanne; Smith, Albert A.; Agarwal, Vipin; Hunkeler, Andreas; Samoson, Ago; Bockmann, Anja; Ernst, Matthias; Meier, Beat H. (Biological Magnetic Resonance Bank, 2015)