1. Selective detection of multiple quantum transitions in NMR by two-dimensional spectroscopy;Wokaun;Chem. Phys. Lett.,1977
2. Echoes and antiechoes in coherence transfer NMR: determining the signs of double quantum frequencies;Mareci;J. Magn. Reson.,1982
3. Mapping proton-proton coupling via double-quantum coherence;Mareci;J. Magn. Reson.,1983
4. Multiple quantum spin-echo spectroscopy;Bodenhausen;J. Magn. Reson.,1980
5. Operator formalism for double quantum NMR;Vega;J. Chem. Phys.,1977