Grady, William R. <br/><br/>
National survey of family growth, cycle II :  sample design, estimation procedures and variance estimation / 
William R. Grady 
 - Hyattsville, Md. :  U.S. Dept. of Health and Human Services,  198.1 
 - vi, 36 p. :  ill. ;  26 cm. 
 - Vital and health statistics. ;  Series 2  Data evaluation and methods research ;  no. 87 DHHS publication ;  no. (PHS) 80-1361. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family size--Statistical methods--United States<br/>Fertility, Human--United States<br/>Birth control--United States
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Statistics, Vital
<br/><br/><label>Dewey Class. No.: </label>304.63