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024 _a36111
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aD65,8(B), M0
100 _aLevy Leon S
245 0 _cLevy Leon S
_aDiscrete structure of computer science
260 _c1980
300 _a310p.
_ccm.
650 _aComputer science
942 _hD65,8(B), M0
_cTEXL
_2CC
999 _c72308
_d72308