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[Kirchern]

Effect of electron lone-pairs on nuclear spin-spin coupling constants
Victor M. S. Gil, Wolfgang Von Philipsborn

Magnetic Resonance in Chemistry
Volume 27, Issue 5 , Pages 409 - 430

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http://dx.doi.org/10.1002/mrc.1260270502

Schiff bases of gossypol: an NMR and DFT study
Quang Ton That 1, Kim Phi Phung Nguyen 2, Poul Erik Hansen

Magnetic Resonance in Chemistry
Volume 43, Issue 4 , Pages 302 - 308

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http://dx.doi.org/10.1002/mrc.1532

Carbon—hydrogen spin—spin coupling constants
Poul Erik Hansen

Progress in Nuclear Magnetic Resonance Spectroscopy
Volume 14, Issue 4, 1981, Pages 175-295

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http://dx.doi.org/10.1016/0079-6565(81)80001-5 

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