000			003220000a22001330004500
245			_aIntroducing systems analysis and design
100			_aLee, B., ed.
110			_aNational Computing Centre
260			_aManchester _bNCC _c1978
500			_avol.1
080			_a65.012.122:681.3 _bN3
041			_aEN
942			_cBK
999			_c115737 _d115737