000
00295nam a2200121Ia 4500
008
180407s9999 xx 000 0 und d
100
_a
Nayak AK
245
_a
World encyclopaedia of communication vol3
260
_a
New Delhi
260
_b
Jnanada prakashan
260
_c
2011
365
_b
24500
999
_c
61442
_d
61442