Salkind, Neil J. <br/><br/>
Encyclopedia Of measurement And Statistics (Vol 1,2,3 ) 
/Edited by Neil J. Salkind 
 - USA  Sage Publications  2007 
 - xxxv-424p., I-57P. 
<br/><br/><label>ISBN: </label>9781412916110 
<br/><br/><label>Dewey Class. No.: </label>001.403  / SAL/E