text: * [http://www.cis.rit.edu/htbooks/nmr/inside.htm NMR/MRI tutorial]
  * [https://web.archive.org/web/20100108014732/http://nmr.chinanmr.cn/guide/eNMR/eNMRindex.html NMR Library] NMR Concepts
  * [http://www.grandinetti.org/Teaching/Chem7160/Notes NMR Course Notes]
  * [https://www.nmr.tips/indexe.html Downloadable NMR exercises as PowerPoint (english/german) and PDF (german only) files]