000 00267nam a2200109Ia 4500
008 170102s9999 xx 000 0 und d
020 _cRS. 650.00
100 _aL. L.Beek
245 _aSustem software
_cL. L.Beek
260 _aNew Delhi
_bPearson
_c2007
942 _cBooks
999 _c12935
_d12935