00323nam a2200121Ia 4500008004100000020001500041041000800056100001400064245006600078250001000144260003900154300000800193211209s2010    xx            000 0 und d  a8174091416  aeng  aGUPTA O P  aOBJECTIVE TYPE QUESTIONS AND ANSWERS IN CHEMICAL ENGINEERING   a5 ed.  aNEW DELHIbKHANNA PUBLISHERSc2010  a821