"gnanasivam, p . "
telecommunication switching and networks: / p.. gnanasivam - 2 ed. - new delhi : new age international 2006. - ", 324p.; 24 cm."
includes bibliography
81-224-1950-x
--
621. 387 gna
telecommunication switching and networks: / p.. gnanasivam - 2 ed. - new delhi : new age international 2006. - ", 324p.; 24 cm."
includes bibliography
81-224-1950-x
--
621. 387 gna