===== Pulse sequence =====
  * [[http://rainbow.life.tsinghua.edu.cn/~xuelab/pulseq/tutorial/Mandal_et_al-2004-Concepts_in_Magnetic_Resonance_Part_A.pdf | A Comprehensive
Discussion of HSQC and HMQC Pulse Sequences]]
  * [[http://rainbow.life.tsinghua.edu.cn/~xuelab/pulseq/tutorial/Wider-Corso_NMR_completo.pdf | Technical aspects of NMR spectroscopy]]