000			00322nam a2200133Ia 4500
100			_aLester, Graham C
020			_a0-273-02771-9
250			_a2nd ed
942			_cBK
245			_aData processing, vol.2 _bsystems analysis and design
260			_aPitman publishing, London _c1985
082			_a001.6 Les
300			_a267
999			_c58602 _d58602