000 00331nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a8122405134
082 _a629
082 _b8312 S
100 _aSushil
245 0 _aSystems Dynamics
260 _aNew Delhi
260 _bWiley Eastern
260 _c1993
300 _a441
999 _c36102
_d36102