000
00346pam a2200157a 44500
008
230405s1994 xxu||||| |||| 00| 0 eng d
041
_a
ENG
100
_a
Held
245
_a
Undrstanding Data Communications
250
_a
1
260
_a
_b
prentice Hall
_c
1994
300
_a
434,23 cms
440
_a
175
690
_a
IMRDA
906
_a
1545
999
_c
254404
_d
254404