This is a literature review of articles about near-ultraviolet, visible, and near-infrared spectroscopy/spectrometry analysis techniques. 

###Beer/brewing###

* [Quantifying ethanol content of beer using interpretive near-infrared spectroscopy](http://www.mendeley.com/research/quantifying-ethanol-content-beer-using-interpretive-near-infrared-spectroscopy/)
* [Applications of Vibrational Spectroscopy in Brewing](http://onlinelibrary.wiley.com/doi/10.1002/0470027320.s6502/abstract) (may be behind paywall)
* [Rapid Determination of Bitterness in Beer 
Using Fluorescence Spectroscopy 
and Chemometrics](http://www.skotrat.com/go/default/?LinkServID=5D45FB60-A023-B7AC-6BD7F79FC2F655CE&showMeta=0)

###Wine & grapes###

* add here

###Coffee###

* add here