000 00371nam a2200133Ia 4500
008 211228s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBohl,Marilyn
245 0 _aTools for structured design
260 _bScience Research Associates
_aChicago
_c1978
300 _avii,200p. p.
653 _aSystem analysis
942 _c1
999 _c210872
_d210872