000
00350pam a2200157a 44500
008
230515b2009 xxu||||| |||| 00| 0 eng d
020
_a
NULL
041
_a
ENGLISH
082
_a
384 PRO
100
_a
PROKIS JOHN G
245
_a
DIGITAL COMMUNICATIONS
250
_a
5
260
_a
_b
MAGRAW-HILL
_c
2009
300
_a
XVIII/1150
650
_a
NULL
999
_c
654645
_d
654645