"duncan, tom . "
adventures with electronics: / tom.. duncan - 1 ed. - uk : john murray 1978. - ", 57p.; 25 cm."
0-7195-3554-9
--
621. 381 dun
adventures with electronics: / tom.. duncan - 1 ed. - uk : john murray 1978. - ", 57p.; 25 cm."
0-7195-3554-9
--
621. 381 dun