"saraswathi, bala n. "
optical communications: / bala.n. saraswathi - 2 ed. - nw delhi : laxmi publications 2004. - "x, 207p.; 24 cm."
81-318-0041-5
--
621. 382 75 sar
optical communications: / bala.n. saraswathi - 2 ed. - nw delhi : laxmi publications 2004. - "x, 207p.; 24 cm."
81-318-0041-5
--
621. 382 75 sar