00301nam a2200109Ia 4500082002300000100001700023245007600040260005200116300001300168500000500181700000500186  a658.40303bM658.HD  aMixon, S. R.  aHandbook of data processing administration, operations and proceduresb  aNew YorkbAmerican Management Associationc1976  ax, 395p.  a  a