00292nam a2200121Ia 4500008004100000041000800041082001500049100001500064245002300079260003700102300001500139700001600154220530s9999    xx            000 0 und d  aeng  a621.8bKHU  aKhurmi R S  aTheory of Machines  aNew DelhibS Chand Companyc2011  a1071 PbPB  a Gupta  J K