00271nam a2200109 a 450000500170000008200180001710000230003524500310005826000340008930000230012363000150014620251203091148.0  a613.7072bBAU  aBaumgartner, Ted A  aMeasurement for evaluation  aW.M.C. Brown Publishersc1987  a470 p.b22 cm.cHB  aEvaluation