Thompson, Warren S., <br/><br/>
Population Problems  Textual Documents 
By Thompson, Warren S. & lewis David T. 
 - 5th ed. 
 - New Delhi  Tata Mcgraw-Hill Publishing Company Ltd  1980 
 - pg593:  19cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics Population Problems G- Statistics 
<br/><br/><label>Dewey Class. No.: </label>312