Frohr, Orteenburger, . (1992). Introduction to Electronic Control Engineering. New Delhi: Wiley India Pvt. Ltd.
Frohr, Orteenburger, . 1992. Introduction to Electronic Control Engineering. New Delhi: Wiley India Pvt. Ltd.
Frohr, Orteenburger, . Introduction to Electronic Control Engineering. New Delhi: Wiley India Pvt. Ltd. 1992.