000
00292nam a22001217a 4500
020
_a
9788131725436
100
_a
Couch Leon
_9
11533
245
_a
Digital And Analog Communication
250
_a
7th ed.
260
_a
New Delhi
_b
Pearson Prentice Hall
_c
2012
300
_a
749 pg.
942
_c
BOOK
999
_c
11063
_d
11063