Multiple echoes due to distant dipolar fields in NMR of hyperpolarized noble gas solutions Steven W. Morgan, Emmanuel Baudin, Gaspard Huber, Patrick Berthault, Geneviève Tastevin, Maurice Goldman, Pierre-Jean Nacher and Hervé Desvaux Eur. Phys. J. D, 67 2 (2013) 29 Published online: 06 March 2013 DOI: 10.1140/epjd/e2012-30470-0