00313nam a2200109Ia 4500008004100000082002400041100003800065245003800103250000900141260004300150300001000193240913s9999||||xx |||||||||||||| ||und||  aGS    004.21  WHI/S  aJeffry L whitten  Lonnie D Bently 0aSystem analysis and design method  aNULL  bGalgotia PublicationsaNew Delhic1998  a724 p