TY - RPRT TI - Pure-Phase Multidimensional NMR by Reference-Frequency Shift (RFS) AU - SV Raman AU - N Chandrakumar PY - 1997 DO - 10.1006/jmre.1996.1092 UR - https://pubmed.ncbi.nlm.nih.gov/9245379/ ID - 9245379 ER -