"agarwal, d c. "
fibre optic communication: / d.c. agarwal - 2 ed. - ram nagar : s.chand 1993. - "ix, 428p.; 25 cm."
81-219-2317-4
optical fibre communication--communication engineering
621. 382 75 aga
fibre optic communication: / d.c. agarwal - 2 ed. - ram nagar : s.chand 1993. - "ix, 428p.; 25 cm."
81-219-2317-4
optical fibre communication--communication engineering
621. 382 75 aga