000
00313nam a2200145Ia 4500
100
_a
Narula, Uma
020
_a
81-269-0676-6
365
_b
295
942
_c
BK
654
_a
245
_a
Communication models
260
_a
New Delhi
_b
Atlantic Publishers
_c
2006
082
_a
302.2
300
_b
Hb
_a
xiii, 121
999
_c
351501
_d
351501
041
_a
eng