@article {Ginzinger-Skocibusic-Heun/2009,
	title = {{CheckShift Improved: Fast Chemical Shift Reference Correction with High Accuracy}},
	journal = {Journal of Biomolecular NMR},
	volume = {44},
	number = {4},
	year = {2009},
	month = {August},
	pages = {207-211},
	keywords = {heun-group},
	doi = {10.1007/s10858-009-9330-2},
	author = {Simon W. Ginzinger and Marko Skocibusic and Volker Heun}
}