000 00325nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a621
082 _b3693 S
100 _a"Sonde, B S"
245 0 _aIntroduction To System D
260 _aNew Delhi
260 _bWiley Eastern
260 _c1989
300 _a"XII, 261"
999 _c30576
_d30576