00335nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245005700101260002100158300000800179650001400187221030s9999    xx            000 0 und d  a812032451x  aEnglish  a105.23bRit  aS. A. Kelkar 0aStructured System Analysis & Designcby S. A. Kelkar  bPHIaDelhic2004  a316  aComputers