Keyfitz,Nathan. <br/><br/>
Applied Mathematical Demography  Textual Documents 

 - 1977. 
 - New York:  John Wiley and Sons,Inc,  1977. 
 - xxiv;388p.:  07023. 
<br/><br/><label>ISBN: </label>0-471-47350-2 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Mathematics, Mortality Comparisons;The Male Female Ratio,The Life Table.
<br/><br/><label>Dewey Class. No.: </label>304.601 KEY