000			00366nam a2200157Ia 4500
008			180424s9999 xx 000 0 und d
084			_a658.403 I5
100			_a"Ignou, "
245		0	_aInformation Systems
250			_a\\200500ENGGPSX
260			_aIgnou
260			_b2005
260			_cNew Delhi
500			_aincludes index and biblioraphy
942			_cBK
999			_c95162 _d95162