Mencari " jejak" spin inti
 Artikel Jurnal
Williams, David A.R.
Nuclear magnetic resonance spectroscopy
ACOL, 1986
 Buku Teks
Paudler, William W.
Nuclear magnetic resonance : general concepts and applications
John Wiley & Sons, 1987
 Buku Referensi
Encyclopedia of nuclear magnetic resonance; Volume 8
editors-in-chief, David M. Grant, Robin K. Harris
John Wiley & Sons, 1996
 Buku Referensi
Encyclopedia of nuclear magnetic resonance; Volume 5
edtors-in-chief, David M. Grant, Robin K. Harris
John Wiley & Sons, 1996
 Buku Referensi