- The application of 1H/13C inversely correlated NMR spectroscopy to the determination of acylation and glycosylation sites in the O-specific polysaccharide from Hafnia alvei 1187. Dabrowski, J., Hauck, M., Romanowska, E., Gamian, A. Biochem. Biophys. Res. Commun. (1987)