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(2005) „Extension of the Self-Consistent Spectrophotometric Basicity Scale in Acetonitrile to a Full Span of 28 pKa Units: Unification of Different Basicity Scales”. The Journal of Organic Chemistry70 (3), 1019–1028. o. DOI:10.1021/jo048252w. PMID15675863.
Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. doi:10.1002/14356007.a02_001
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(2005) „Extension of the Self-Consistent Spectrophotometric Basicity Scale in Acetonitrile to a Full Span of 28 pKa Units: Unification of Different Basicity Scales”. The Journal of Organic Chemistry70 (3), 1019–1028. o. DOI:10.1021/jo048252w. PMID15675863.