Otto Meth-Cohn e Stephen P. Stanforth, The Vilsmeier-Haack Reaction, in Additions to CX π-Bonds, Part 2, Comprehensive Organic Synthesis: Selectivity, Strategy and Efficiency in Modern Organic Chemistry, vol. 2, Elsevier, 1993, pp. 777–794, DOI:10.1016/B978-0-08-052349-1.00049-4, ISBN978-0-08-040593-3.
Haddon, R. e Itkis, M., 3. Near-Infrared (NIR) Spectroscopy (PDF), in Freiman, S., Hooker, S., Migler, K. e Arepalli, S. (a cura di), Publication 960-19 Measurement Issues in Single Wall Carbon Nanotubes, NIST, marzo 2008, p. 20. URL consultato il 28 giugno 2012.