"duncan, tom . "
adventures with electronics: / tom.. duncan - 1 ed. - uk : john murray 1978. - ", 57p.; 25 cm."
0 7195 35549
--
621. 38 dun
adventures with electronics: / tom.. duncan - 1 ed. - uk : john murray 1978. - ", 57p.; 25 cm."
0 7195 35549
--
621. 38 dun