@article {507,
	title = {Scaling and Time-Reversal of Spin Couplings in Zero-Field Nmr},
	journal = {Physical Review Letters},
	volume = {67},
	year = {1991},
	note = {Phys Rev LettGj319Times Cited:13Cited References Count:25},
	month = {Oct 7},
	pages = {1989-1992},
	abstract = {<p>We report the observation of spin echoes resulting from the time reversal of isotropic many-body spin couplings in zero-field NMR. The coherent-averaging pulse sequences responsible for the scaling and the time reversal of isotropic interactions of first and second rank are based on cubic and icosahedral symmetry.</p>
},
	keywords = {nqr},
	isbn = {0031-9007},
	doi = {Doi 10.1103/Physrevlett.67.1989},
	url = {<Go to ISI>://WOS:A1991GJ31900014},
	author = {Llor, A. and Olejniczak, Z. and Sachleben, J. and Pines, A.}
}
