000			00324nam a22001577a 4500
999			_c36165 _d36165
003			OSt
020			_a9788177585551
082			_a005.43 BEC-S
100			_aBeck, Leland L
245			_aSystems Software
250			_a3rd
260			_aNew Delhi _bPearson _c2007
300			_a495p.
901			_a24901
942			_2ddc _cBK