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008 220421s9999||||xx |||||||||||||| ||und||
020 _c190
040 _aET
100 _aprashant R.
245 0 _afoundation course in sci.tech.
260 _bexcellent book
_adelhi
300 _a252
500 _a60828
942 _cBK
999 _c66791
_d66791