Sampford, M R <br/><br/>
On sampling without replacement with unequal probabilities of selection.  [electronic resource] 

 -  Biometrika  Dec 1967 
 - 499-513 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0006-3444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Probability<br/>Sampling Studies