000 00346nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a658
082 _b4032 G
100 _a"Gupta, Rajiv"
245 0 _aIntroduction To Systems
260 _aNew Delhi
260 _bNew Age
260 _c2005
300 _a"XIII, 551"
999 _c43052
_d43052