Methods for the measurement of psychological performance: a handbook of recommended methods based on an IUPS/IBP working party 
edited by S. Biesheuvel  
 - Oxford  Blackwell scientific Publications  1969 
 - xi,98kp.; 21cm.-  
 - IBP handbook; no. 10 .
<br/><br/><label>Dewey Class. No.: </label>574.52  / BIE