00369nam a2200109Ia 4500008004100000082001500041100005700056245008800113250001600201260003300217300000900250210430s9999    xx            000 0 und d  a660 H853 C  aOlaf A. Hougen, Kenneth M. Watson, Roland A. Ragatz.  aChemical Process Principles: Material and Energy Balances, Part-1 /cOlaf A. Hougen  a2nd edition  aPHOTO COPYbPHOTO COPYc1956  a504P