00257nam a2200097Ia 4500008004100000041000800041100002000049245003600069260003900105300001500144211209s1948    xx            000 0 und d  aeng  aKIRSCHBAUM EMIL  aDISTILLATION AND RECTIFICATION   aNEW YORKbCEMICAL PUBLISHINGc1948  axiii + 426