000 00559nam a22001817a 4500
008 230322b |||||||| |||| 00| 0 eng d
020 _a008-028559-7
040 _aNational Science Library
_cNational Science Library
080 _aD 681.3
_bM1.6
245 _aSystem design
260 _aEngland:
_bPergamon Infotech Limited,
_c1981
300 _aiv, 446p.
490 _aInfotech state of the art report
_vSeries 9, No. 6
650 _aSystem life-cycle
653 _aRequirements analysis
653 _aDesign representation
942 _2udc
_cREP
999 _c12645
_d12645