000
00299nam a2200109Ia 4500
008
220201s1993 xx 000 0 eng d
100
_a
RONAYNE, JOHN
245
0
_a
INTEGRATED SERVICES DIGITAL NETWORK FROM CONCEPT TO APPLICATION
260
_a
DELHI
_b
WHEELER PUB
_c
1993
300
_a
230
942
_2
ddc
999
_c
66959
_d
66959