Gupta O P Ed. <br/><br/>
Encyclopaedic dictionary of statistics.3V. 

 - New Delhi  Anmol Publications       1989 
<br/><br/><label>Standard No.: </label>37509 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>B280bXk, M9.1-.3      RR