00270nam a2200109Ia 4500082002000000100002700020245005800047260003100105300001400136500000500150700000500155  a658.57bC423.TR  aCetron, M. J. & Others  aTechnical resource managament, quantitative methodsb  aCambridgebMIT Pressc1969  axx, 236p.  a  a