00383nam a2200133 a 450000500170000010000240001724500570004126000190009830000230011796400160014099700120015699900170016895200640018520251203091227.0  aBarnes, Ralph M.d_  aMotion and time study design and measurement of work  aChambersc1980  a689 p.c22 cm.bPB  bcdefg_  a37426 C  c34578d34578  00104070aPUbPUd2000-01-13l0o p37426q2005-09-27yBK