1. Y. Sarig, Utilization of the olfactory characteristics of fruit and vegetables as the potential method for determing their ripeness and readiness for harvest, in: Proceedings of the Sensoral, International Workshop on Sensing Quality of Agricultural Products, Montpellier, France, 24–28 February 1998.
2. R.E. Schaak, D.B. Dahlberg, K.B. Miller, The electronic nose: studies on the fundamental response and discriminative power of metal-oxide sensors, electronic noses and sensor array based systems design and application, in: Proceedings of the 5th International Symposium on Olfaction and the Electronic Nose, Baltimore, MD, USA, 27–30 September 1998.
3. Chemiresistive sensors of electrically conducting poly(2,5-thienylene vinylene) and copolymers: their responses to nine organic vapors;De Wit;Sens. Actuators B: Chem.,1998
4. A polymer gate FET sensor array for detecting organic vapours;Covington;Sens. Actuators B: Chem.,2001
5. I. Sasaki, H. Tsuchiya, M. Nishioka, M. Sadakata, T. Okubo, Gas sensing with zeolite-coated quartz crystal microbalances—principal component analysis approach, Sens. Actuators B: Chem. (2002) 26–33.