000 00309nam a2200121Ia 4500
008 170101s1997 xx 000 0 und d
082 _a301.16 VAC
100 _aVachani, J
245 0 _aModern communication & information systems
260 _aNew Delhi
_bKanishka
_c1997
300 _aP.247
942 _2ddc
_cBK
999 _c90181
_d90181