Blaschke, Thomas J. <br/><br/>
Procedures for estimating parenthood and marital status for respondents to the national longitudinal study of the high school class of 1972 / 
Thomas J. Blaschke, Gus W. Haggstrom, and Peter A. Morrison ; prepared for the National Institute of Child Health and Human Development, National Institutes of Health. 
 - California :  Rand Corporation,  1979. 
 - vii, 27 p. :  ill. ;  28 cm. 
 - A Rand note ;  N-1275-NICHD .
 - Rand note ;  N-1275-NICHD. .
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>High school students--Social conditions--Marital status--United States