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005 20210701163801.0
008 210701b ||||| |||| 00| 0 eng d
041 _aeng
100 _aSzpiro L
_924450
245 _aEquation defining space curves
260 _aNew Delhi
_bNarosa
_c1979
300 _a81
942 _cBK
999 _c61888
_d61888