"green, d c. "
transmission systems : tec level ii: / d.c. green - 1 ed. - uk : pitman 1978. - ", 138p.; 24 cm."
0 273 01124 3
--
621. 381 1 gre
transmission systems : tec level ii: / d.c. green - 1 ed. - uk : pitman 1978. - ", 138p.; 24 cm."
0 273 01124 3
--
621. 381 1 gre