Cochran, William G. <br/><br/>
Sampling techniques 

 - 3rd ed. 
 - New Delhi  Wiley Eastern  1977 
 - xvi, 428 p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Probability  Statistics  Census  Probabilities  Mathematics  Number theory  Set theory  Group theory  Mathematical sciences 
<br/><br/><label>Dewey Class. No.: </label>519.243