00272nam a2200097Ia 450000500170000000800410001705000160005810000170007424500480009126000350013920251229124412.0251229s9999    xx            000 0 und d  aT 60  .W6G7  aGraham, C. F 0aWork Measurement and Cost ControlcC Graham  aOXfordb  Perganon pressc1965