000 00281nam a2200121Ia 4500
100 _aOliver, E.C. & Chapman,R.J.
250 _a3rd ed
942 _cBK
245 _aData processing
260 _aGalgotia booksource, New delhi
_c1985
082 _a001.64 Oli
300 _app.viii,508
999 _c14139
_d14139