00309nam a2200121Ia 4500008004100000082001600041100001900057245004200076250000800118260003800126300000800164650001500172191201s2002    xx            000 0 und d  a620.82bDAT  aDALELA, Suresh 0aTextbook of Work Study and Ergonomics  a5th  aN.DelhibStandard Publisherc2002  a492  aB.Tech(ME)