@article {1450,
	title = {Long-lived Heteronuclear Spin-Singlet States in Liquids at a Zero Magnetic Field},
	journal = {Physical Review Letters},
	volume = {112},
	year = {2014},
	pages = {077601},
	chapter = {077601},
	author = {Emondts, M. and Ledbetter, M. P. and Pustelny, S. and Theis, T. and Patton, B. and Blanchard, J. W. and Butler, M. C. and Budker, D. and Pines, A.}
}
