1. 1. Malin Lindquist and Peter Wide,” Virtual Water Quality Tests with an electronic Tongue”, 2013 IEEE
   2. Marina Cole, Gurmikh s. Sehra, Julian W. Gardner, Vijay K. Varadan,”Fabrication and Testing of smart Tongue Devices for
   3. liquid Sensing”, 2011 IEEE.
   4. Linn Robertson and Peter Wide, “ Analysing Bacteriological Growthusing Wavelet Transform”, 2009 IEEE.
   5. Xuan Sun, Changsheng Ai, Yuzhen Ma “ Milk Quality Automation Detecting Technology Based on Dynamic Temperature” 2008 IEEE.
   6. “ An Electronic Tongue System Design Using Ion Sensetive Field Effect Transistors and Their Interfacing Circuit Techniques” , Chung Huang Yang, Wen Yaw Chung, Jung Lung Chiang, 2008 IEEE.