Information encryption and decryption using hyperchaotic systems in delayed nonlinear feedback systems. - K. G. Gopchandran; K. Gopakumar; B. Premlet (ICUMT, 2010)

Chua's oscillator in Integrated Circuit Form with Inbuilt Control Option. - K. Gopakumar; B. Premlet; K. G. Gopchandran (J. Circuits Syst. Comput., 2011)