1 Basic Electornics GROB, Bernard Basic Electornics / Bernard Grob. - New York : McGraw - Hill, 1987. - 62=20 GRO b
2 Electrical tehnology HUGHES, Edward, 1888- Electrical tehnology / Edward Hughes. - Harlow : Longman, 1987. - 62=20 HUG e
3 Semiconductors 2nd ed.. - SMITH, Robert Allan, 1909- Semiconductors / R. A. Smith. -2nd ed.. - Cambridge : Cambridge University Press, 1978. - 62=20 SMI s