Pole assignment with constraints using output feedback. - T. Rajagopalan; K. K. Appukuttan (Autom., 1988)

Pole assignment for multi-input multi-output systems using output feedback. - K. Ramar; K. K. Appukuttan (Autom., 1991)

Design and Evaluation of Hydro-Pneumatic Friction Damper Suspension System. - S. V. Gorabal; S. N. Kurbet; K. K. Appukuttan (Int. J. Manuf. Mater. Mech. Eng., 2011)