000 00453nam a22001697a 4500
003 NUST - PNEC
005 20170116180827.0
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020 _a-
040 _cLIBRARY
082 _a511.5 GILL
100 _94444
_aGillings, R.J.
245 _aGraphs : Columnar, straight line, locus, curved and complex
_cR.J. Gillings
260 _cc1961.
650 _94445
_aEngineering mathematics
_xME
942 _2ddc
_cBK
999 _c63926
_d63926