TY - RPRT TI - Determination of isomeric olefinic groups in unsaturated terpene aminoethanols by carbon-13 nuclear magnetic resonance spectrometry AU - S. L. Abidi PY - 2002 DO - 10.1021/ac00240a036 UR - https://pubs.usgs.gov/publication/70006373 ID - 70006373 ER -