Hansen, Morris H Hurwitz, William N Madow, William G <br/><br/>
Sample survey methods and theory V.1 Methods and applications-V.2 Theory 

 - New York  John Wiley and Sons, inc.  1953 
 - 970 p.; 21cm. 
 - Wiley series in probability and mathematical statistics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Random sampling<br/>Sample surveys<br/>Sampling - statistics<br/>Statistics of sampling