"green, d c. "
transmission systems tec level ii: / d.c. green - 2 ed. - uk : pitman 1982. - ", 147p.; 24 cm."
0 273 01826 4
621. 319 1 gre
transmission systems tec level ii: / d.c. green - 2 ed. - uk : pitman 1982. - ", 147p.; 24 cm."
0 273 01826 4
621. 319 1 gre