000 00282nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a004.6 COM
100 _aYOURDON (EDWARD)
245 _aModern Structured Analysis
260 _aNew Delhi
_bPHI
365 _cRS
999 _c179053
_d179053