00270nam a2200097Ia 450000500170000000800410001710000300005824500470008826000290013530000080016420260413100729.0230516s9999||||xx |||||||||||||| ||und||  aPeters Max S & Timmerhans 0aPlant Design & eocnomics for chemical engg  bN York mcgrew hillc1991  a910